20166613000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{7949}}^1$

素因数の和:8072

約数の個数: 128

約数和(自身を含む): 49111920000

約数和(自身を除く): 28945307000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 59, 86, 100, 118, 125, 172, 200, 215, 236, 250, 295, 344, 430, 472, 500, 590, 860, 1000, 1075, 1180, 1475, 1720, 2150, 2360, 2537, 2950, 4300, 5074, 5375, 5900, 7375, 7949, 8600, 10148, 10750, 11800, 12685, 14750, 15898, 20296, 21500, 25370, 29500, 31796, 39745, 43000, 50740, 59000, 63425, 63592, 79490, 101480, 126850, 158980, 198725, 253700, 317125, 317960, 341807, 397450, 468991, 507400, 634250, 683614, 794900, 937982, 993625, 1268500, 1367228, 1589800, 1709035, 1875964, 1987250, 2344955, 2537000, 2734456, 3418070, 3751928, 3974500, 4689910, 6836140, 7949000, 8545175, 9379820, 11724775, 13672280, 17090350, 18759640, 20166613, 23449550, 34180700, 40333226, 42725875, 46899100, 58623875, 68361400, 80666452, 85451750, 93798200, 100833065, 117247750, 161332904, 170903500, 201666130, 234495500, 341807000, 403332260, 468991000, 504165325, 806664520, 1008330650, 2016661300, 2520826625, 4033322600, 5041653250, 10083306500, 20166613000]

約数ペア:

[(1, 20166613000), (2, 10083306500), (4, 5041653250), (5, 4033322600), (8, 2520826625), (10, 2016661300), (20, 1008330650), (25, 806664520), (40, 504165325), (43, 468991000), (50, 403332260), (59, 341807000), (86, 234495500), (100, 201666130), (118, 170903500), (125, 161332904), (172, 117247750), (200, 100833065), (215, 93798200), (236, 85451750), (250, 80666452), (295, 68361400), (344, 58623875), (430, 46899100), (472, 42725875), (500, 40333226), (590, 34180700), (860, 23449550), (1000, 20166613), (1075, 18759640), (1180, 17090350), (1475, 13672280), (1720, 11724775), (2150, 9379820), (2360, 8545175), (2537, 7949000), (2950, 6836140), (4300, 4689910), (5074, 3974500), (5375, 3751928), (5900, 3418070), (7375, 2734456), (7949, 2537000), (8600, 2344955), (10148, 1987250), (10750, 1875964), (11800, 1709035), (12685, 1589800), (14750, 1367228), (15898, 1268500), (20296, 993625), (21500, 937982), (25370, 794900), (29500, 683614), (31796, 634250), (39745, 507400), (43000, 468991), (50740, 397450), (59000, 341807), (63425, 317960), (63592, 317125), (79490, 253700), (101480, 198725), (126850, 158980)]