640804548004

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{7920163}}^1$

素因数の和:7920459

約数の個数: 24

約数和(自身を含む): 1137652356960

約数和(自身を除く): 496847808956

約数列:

[1, 2, 4, 113, 179, 226, 358, 452, 716, 20227, 40454, 80908, 7920163, 15840326, 31680652, 894978419, 1417709177, 1789956838, 2835418354, 3579913676, 5670836708, 160201137001, 320402274002, 640804548004]

約数ペア:

[(1, 640804548004), (2, 320402274002), (4, 160201137001), (113, 5670836708), (179, 3579913676), (226, 2835418354), (358, 1789956838), (452, 1417709177), (716, 894978419), (20227, 31680652), (40454, 15840326), (80908, 7920163)]