728260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2801}}^1$

素因数の和:2823

約数の個数: 24

約数和(自身を含む): 1647576

約数和(自身を除く): 919316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2801, 5602, 11204, 14005, 28010, 36413, 56020, 72826, 145652, 182065, 364130, 728260]

約数ペア:

[(1, 728260), (2, 364130), (4, 182065), (5, 145652), (10, 72826), (13, 56020), (20, 36413), (26, 28010), (52, 14005), (65, 11204), (130, 5602), (260, 2801)]