12506840

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2767}}^1$

素因数の和:2891

約数の個数: 32

約数和(自身を含む): 28399680

約数和(自身を除く): 15892840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 2767, 4520, 5534, 11068, 13835, 22136, 27670, 55340, 110680, 312671, 625342, 1250684, 1563355, 2501368, 3126710, 6253420, 12506840]

約数ペア:

[(1, 12506840), (2, 6253420), (4, 3126710), (5, 2501368), (8, 1563355), (10, 1250684), (20, 625342), (40, 312671), (113, 110680), (226, 55340), (452, 27670), (565, 22136), (904, 13835), (1130, 11068), (2260, 5534), (2767, 4520)]