52390000

素因数分解:

$2^4\times 5^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 150

約数和(自身を含む): 141779616

約数和(自身を除く): 89389616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 125, 130, 155, 169, 200, 208, 248, 250, 260, 310, 325, 338, 400, 403, 496, 500, 520, 620, 625, 650, 676, 775, 806, 845, 1000, 1040, 1240, 1250, 1300, 1352, 1550, 1612, 1625, 1690, 2000, 2015, 2480, 2500, 2600, 2704, 3100, 3224, 3250, 3380, 3875, 4030, 4225, 5000, 5200, 5239, 6200, 6448, 6500, 6760, 7750, 8060, 8125, 8450, 10000, 10075, 10478, 12400, 13000, 13520, 15500, 16120, 16250, 16900, 19375, 20150, 20956, 21125, 26000, 26195, 31000, 32240, 32500, 33800, 38750, 40300, 41912, 42250, 50375, 52390, 62000, 65000, 67600, 77500, 80600, 83824, 84500, 100750, 104780, 105625, 130000, 130975, 155000, 161200, 169000, 201500, 209560, 211250, 251875, 261950, 310000, 338000, 403000, 419120, 422500, 503750, 523900, 654875, 806000, 845000, 1007500, 1047800, 1309750, 1690000, 2015000, 2095600, 2619500, 3274375, 4030000, 5239000, 6548750, 10478000, 13097500, 26195000, 52390000]

約数ペア:

[(1, 52390000), (2, 26195000), (4, 13097500), (5, 10478000), (8, 6548750), (10, 5239000), (13, 4030000), (16, 3274375), (20, 2619500), (25, 2095600), (26, 2015000), (31, 1690000), (40, 1309750), (50, 1047800), (52, 1007500), (62, 845000), (65, 806000), (80, 654875), (100, 523900), (104, 503750), (124, 422500), (125, 419120), (130, 403000), (155, 338000), (169, 310000), (200, 261950), (208, 251875), (248, 211250), (250, 209560), (260, 201500), (310, 169000), (325, 161200), (338, 155000), (400, 130975), (403, 130000), (496, 105625), (500, 104780), (520, 100750), (620, 84500), (625, 83824), (650, 80600), (676, 77500), (775, 67600), (806, 65000), (845, 62000), (1000, 52390), (1040, 50375), (1240, 42250), (1250, 41912), (1300, 40300), (1352, 38750), (1550, 33800), (1612, 32500), (1625, 32240), (1690, 31000), (2000, 26195), (2015, 26000), (2480, 21125), (2500, 20956), (2600, 20150), (2704, 19375), (3100, 16900), (3224, 16250), (3250, 16120), (3380, 15500), (3875, 13520), (4030, 13000), (4225, 12400), (5000, 10478), (5200, 10075), (5239, 10000), (6200, 8450), (6448, 8125), (6500, 8060), (6760, 7750)]