3975318980

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{883}}^1\times {\mathrm{1381}}^1$

素因数の和:2436

約数の個数: 48

約数和(自身を含む): 8414986944

約数和(自身を除く): 4439667964

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 883, 1381, 1630, 1766, 2762, 3260, 3532, 4415, 5524, 6905, 8830, 13810, 17660, 27620, 143929, 225103, 287858, 450206, 575716, 719645, 900412, 1125515, 1219423, 1439290, 2251030, 2438846, 2878580, 4502060, 4877692, 6097115, 12194230, 24388460, 198765949, 397531898, 795063796, 993829745, 1987659490, 3975318980]

約数ペア:

[(1, 3975318980), (2, 1987659490), (4, 993829745), (5, 795063796), (10, 397531898), (20, 198765949), (163, 24388460), (326, 12194230), (652, 6097115), (815, 4877692), (883, 4502060), (1381, 2878580), (1630, 2438846), (1766, 2251030), (2762, 1439290), (3260, 1219423), (3532, 1125515), (4415, 900412), (5524, 719645), (6905, 575716), (8830, 450206), (13810, 287858), (17660, 225103), (27620, 143929)]