125856020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{337}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 269837568

約数和(自身を除く): 143981548

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 263, 284, 337, 355, 526, 674, 710, 1052, 1315, 1348, 1420, 1685, 2630, 3370, 5260, 6740, 18673, 23927, 37346, 47854, 74692, 88631, 93365, 95708, 119635, 177262, 186730, 239270, 354524, 373460, 443155, 478540, 886310, 1772620, 6292801, 12585602, 25171204, 31464005, 62928010, 125856020]

約数ペア:

[(1, 125856020), (2, 62928010), (4, 31464005), (5, 25171204), (10, 12585602), (20, 6292801), (71, 1772620), (142, 886310), (263, 478540), (284, 443155), (337, 373460), (355, 354524), (526, 239270), (674, 186730), (710, 177262), (1052, 119635), (1315, 95708), (1348, 93365), (1420, 88631), (1685, 74692), (2630, 47854), (3370, 37346), (5260, 23927), (6740, 18673)]