20126200000

素因数分解:

$2^6\times 5^5\times {\mathrm{103}}^1\times {\mathrm{977}}^1$

素因数の和:1117

約数の個数: 168

約数和(自身を含む): 50455458144

約数和(自身を除く): 30329258144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 103, 125, 160, 200, 206, 250, 320, 400, 412, 500, 515, 625, 800, 824, 977, 1000, 1030, 1250, 1600, 1648, 1954, 2000, 2060, 2500, 2575, 3125, 3296, 3908, 4000, 4120, 4885, 5000, 5150, 6250, 6592, 7816, 8000, 8240, 9770, 10000, 10300, 12500, 12875, 15632, 16480, 19540, 20000, 20600, 24425, 25000, 25750, 31264, 32960, 39080, 40000, 41200, 48850, 50000, 51500, 62528, 64375, 78160, 82400, 97700, 100000, 100631, 103000, 122125, 128750, 156320, 164800, 195400, 200000, 201262, 206000, 244250, 257500, 312640, 321875, 390800, 402524, 412000, 488500, 503155, 515000, 610625, 643750, 781600, 805048, 824000, 977000, 1006310, 1030000, 1221250, 1287500, 1563200, 1610096, 1954000, 2012620, 2060000, 2442500, 2515775, 2575000, 3053125, 3220192, 3908000, 4025240, 4120000, 4885000, 5031550, 5150000, 6106250, 6440384, 7816000, 8050480, 9770000, 10063100, 10300000, 12212500, 12578875, 16100960, 19540000, 20126200, 20600000, 24425000, 25157750, 32201920, 39080000, 40252400, 48850000, 50315500, 62894375, 80504800, 97700000, 100631000, 125788750, 161009600, 195400000, 201262000, 251577500, 314471875, 402524000, 503155000, 628943750, 805048000, 1006310000, 1257887500, 2012620000, 2515775000, 4025240000, 5031550000, 10063100000, 20126200000]

約数ペア:

[(1, 20126200000), (2, 10063100000), (4, 5031550000), (5, 4025240000), (8, 2515775000), (10, 2012620000), (16, 1257887500), (20, 1006310000), (25, 805048000), (32, 628943750), (40, 503155000), (50, 402524000), (64, 314471875), (80, 251577500), (100, 201262000), (103, 195400000), (125, 161009600), (160, 125788750), (200, 100631000), (206, 97700000), (250, 80504800), (320, 62894375), (400, 50315500), (412, 48850000), (500, 40252400), (515, 39080000), (625, 32201920), (800, 25157750), (824, 24425000), (977, 20600000), (1000, 20126200), (1030, 19540000), (1250, 16100960), (1600, 12578875), (1648, 12212500), (1954, 10300000), (2000, 10063100), (2060, 9770000), (2500, 8050480), (2575, 7816000), (3125, 6440384), (3296, 6106250), (3908, 5150000), (4000, 5031550), (4120, 4885000), (4885, 4120000), (5000, 4025240), (5150, 3908000), (6250, 3220192), (6592, 3053125), (7816, 2575000), (8000, 2515775), (8240, 2442500), (9770, 2060000), (10000, 2012620), (10300, 1954000), (12500, 1610096), (12875, 1563200), (15632, 1287500), (16480, 1221250), (19540, 1030000), (20000, 1006310), (20600, 977000), (24425, 824000), (25000, 805048), (25750, 781600), (31264, 643750), (32960, 610625), (39080, 515000), (40000, 503155), (41200, 488500), (48850, 412000), (50000, 402524), (51500, 390800), (62528, 321875), (64375, 312640), (78160, 257500), (82400, 244250), (97700, 206000), (100000, 201262), (100631, 200000), (103000, 195400), (122125, 164800), (128750, 156320)]