7872421250

素因数分解:

$2^1\times 5^4\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{359}}^1$

素因数の和:765

約数の個数: 80

約数和(自身を含む): 15121909440

約数和(自身を除く): 7249488190

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 331, 359, 530, 625, 662, 718, 1250, 1325, 1655, 1795, 2650, 3310, 3590, 6625, 8275, 8975, 13250, 16550, 17543, 17950, 19027, 33125, 35086, 38054, 41375, 44875, 66250, 82750, 87715, 89750, 95135, 118829, 175430, 190270, 206875, 224375, 237658, 413750, 438575, 448750, 475675, 594145, 877150, 951350, 1188290, 2192875, 2378375, 2970725, 4385750, 4756750, 5941450, 6297937, 10964375, 11891875, 12595874, 14853625, 21928750, 23783750, 29707250, 31489685, 62979370, 74268125, 148536250, 157448425, 314896850, 787242125, 1574484250, 3936210625, 7872421250]

約数ペア:

[(1, 7872421250), (2, 3936210625), (5, 1574484250), (10, 787242125), (25, 314896850), (50, 157448425), (53, 148536250), (106, 74268125), (125, 62979370), (250, 31489685), (265, 29707250), (331, 23783750), (359, 21928750), (530, 14853625), (625, 12595874), (662, 11891875), (718, 10964375), (1250, 6297937), (1325, 5941450), (1655, 4756750), (1795, 4385750), (2650, 2970725), (3310, 2378375), (3590, 2192875), (6625, 1188290), (8275, 951350), (8975, 877150), (13250, 594145), (16550, 475675), (17543, 448750), (17950, 438575), (19027, 413750), (33125, 237658), (35086, 224375), (38054, 206875), (41375, 190270), (44875, 175430), (66250, 118829), (82750, 95135), (87715, 89750)]