51574360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{859}}^1$

素因数の和:968

約数の個数: 64

約数和(自身を含む): 123840000

約数和(自身を除く): 72265640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 859, 1501, 1580, 1718, 3002, 3160, 3436, 4295, 6004, 6872, 7505, 8590, 12008, 15010, 16321, 17180, 30020, 32642, 34360, 60040, 65284, 67861, 81605, 130568, 135722, 163210, 271444, 326420, 339305, 542888, 652840, 678610, 1289359, 1357220, 2578718, 2714440, 5157436, 6446795, 10314872, 12893590, 25787180, 51574360]

約数ペア:

[(1, 51574360), (2, 25787180), (4, 12893590), (5, 10314872), (8, 6446795), (10, 5157436), (19, 2714440), (20, 2578718), (38, 1357220), (40, 1289359), (76, 678610), (79, 652840), (95, 542888), (152, 339305), (158, 326420), (190, 271444), (316, 163210), (380, 135722), (395, 130568), (632, 81605), (760, 67861), (790, 65284), (859, 60040), (1501, 34360), (1580, 32642), (1718, 30020), (3002, 17180), (3160, 16321), (3436, 15010), (4295, 12008), (6004, 8590), (6872, 7505)]