28969840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12487}}^1$

素因数の和:12529

約数の個数: 40

約数和(自身を含む): 69683040

約数和(自身を除く): 40713200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 12487, 24974, 49948, 62435, 99896, 124870, 199792, 249740, 362123, 499480, 724246, 998960, 1448492, 1810615, 2896984, 3621230, 5793968, 7242460, 14484920, 28969840]

約数ペア:

[(1, 28969840), (2, 14484920), (4, 7242460), (5, 5793968), (8, 3621230), (10, 2896984), (16, 1810615), (20, 1448492), (29, 998960), (40, 724246), (58, 499480), (80, 362123), (116, 249740), (145, 199792), (232, 124870), (290, 99896), (464, 62435), (580, 49948), (1160, 24974), (2320, 12487)]