16958680

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1381}}^1$

素因数の和:1699

約数の個数: 32

約数和(自身を含む): 38309040

約数和(自身を除く): 21350360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1381, 1535, 2456, 2762, 3070, 5524, 6140, 6905, 11048, 12280, 13810, 27620, 55240, 423967, 847934, 1695868, 2119835, 3391736, 4239670, 8479340, 16958680]

約数ペア:

[(1, 16958680), (2, 8479340), (4, 4239670), (5, 3391736), (8, 2119835), (10, 1695868), (20, 847934), (40, 423967), (307, 55240), (614, 27620), (1228, 13810), (1381, 12280), (1535, 11048), (2456, 6905), (2762, 6140), (3070, 5524)]