72488260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{278801}}^1$

素因数の和:278823

約数の個数: 24

約数和(自身を含む): 163935576

約数和(自身を除く): 91447316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 278801, 557602, 1115204, 1394005, 2788010, 3624413, 5576020, 7248826, 14497652, 18122065, 36244130, 72488260]

約数ペア:

[(1, 72488260), (2, 36244130), (4, 18122065), (5, 14497652), (10, 7248826), (13, 5576020), (20, 3624413), (26, 2788010), (52, 1394005), (65, 1115204), (130, 557602), (260, 278801)]