2021629520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{1637}}^1$

素因数の和:2052

約数の個数: 80

約数和(自身を含む): 4825941120

約数和(自身を除く): 2804311600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 359, 430, 688, 718, 860, 1436, 1637, 1720, 1795, 2872, 3274, 3440, 3590, 5744, 6548, 7180, 8185, 13096, 14360, 15437, 16370, 26192, 28720, 30874, 32740, 61748, 65480, 70391, 77185, 123496, 130960, 140782, 154370, 246992, 281564, 308740, 351955, 563128, 587683, 617480, 703910, 1126256, 1175366, 1234960, 1407820, 2350732, 2815640, 2938415, 4701464, 5631280, 5876830, 9402928, 11753660, 23507320, 25270369, 47014640, 50540738, 101081476, 126351845, 202162952, 252703690, 404325904, 505407380, 1010814760, 2021629520]

約数ペア:

[(1, 2021629520), (2, 1010814760), (4, 505407380), (5, 404325904), (8, 252703690), (10, 202162952), (16, 126351845), (20, 101081476), (40, 50540738), (43, 47014640), (80, 25270369), (86, 23507320), (172, 11753660), (215, 9402928), (344, 5876830), (359, 5631280), (430, 4701464), (688, 2938415), (718, 2815640), (860, 2350732), (1436, 1407820), (1637, 1234960), (1720, 1175366), (1795, 1126256), (2872, 703910), (3274, 617480), (3440, 587683), (3590, 563128), (5744, 351955), (6548, 308740), (7180, 281564), (8185, 246992), (13096, 154370), (14360, 140782), (15437, 130960), (16370, 123496), (26192, 77185), (28720, 70391), (30874, 65480), (32740, 61748)]