20160113360

素因数分解:

$2^4\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{153941}}^1$

素因数の和:155591

約数の個数: 40

約数和(自身を含む): 46901201256

約数和(自身を除く): 26741087896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1637, 3274, 6548, 8185, 13096, 16370, 26192, 32740, 65480, 130960, 153941, 307882, 615764, 769705, 1231528, 1539410, 2463056, 3078820, 6157640, 12315280, 252001417, 504002834, 1008005668, 1260007085, 2016011336, 2520014170, 4032022672, 5040028340, 10080056680, 20160113360]

約数ペア:

[(1, 20160113360), (2, 10080056680), (4, 5040028340), (5, 4032022672), (8, 2520014170), (10, 2016011336), (16, 1260007085), (20, 1008005668), (40, 504002834), (80, 252001417), (1637, 12315280), (3274, 6157640), (6548, 3078820), (8185, 2463056), (13096, 1539410), (16370, 1231528), (26192, 769705), (32740, 615764), (65480, 307882), (130960, 153941)]