56420120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1308

約数の個数: 64

約数和(自身を含む): 135928800

約数和(自身を除く): 79508680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1159, 1217, 1220, 2318, 2434, 2440, 4636, 4868, 5795, 6085, 9272, 9736, 11590, 12170, 23123, 23180, 24340, 46246, 46360, 48680, 74237, 92492, 115615, 148474, 184984, 231230, 296948, 371185, 462460, 593896, 742370, 924920, 1410503, 1484740, 2821006, 2969480, 5642012, 7052515, 11284024, 14105030, 28210060, 56420120]

約数ペア:

[(1, 56420120), (2, 28210060), (4, 14105030), (5, 11284024), (8, 7052515), (10, 5642012), (19, 2969480), (20, 2821006), (38, 1484740), (40, 1410503), (61, 924920), (76, 742370), (95, 593896), (122, 462460), (152, 371185), (190, 296948), (244, 231230), (305, 184984), (380, 148474), (488, 115615), (610, 92492), (760, 74237), (1159, 48680), (1217, 46360), (1220, 46246), (2318, 24340), (2434, 23180), (2440, 23123), (4636, 12170), (4868, 11590), (5795, 9736), (6085, 9272)]