157719620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{192341}}^1$

素因数の和:192391

約数の個数: 24

約数和(自身を含む): 339291288

約数和(自身を除く): 181571668

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 192341, 384682, 769364, 961705, 1923410, 3846820, 7885981, 15771962, 31543924, 39429905, 78859810, 157719620]

約数ペア:

[(1, 157719620), (2, 78859810), (4, 39429905), (5, 31543924), (10, 15771962), (20, 7885981), (41, 3846820), (82, 1923410), (164, 961705), (205, 769364), (410, 384682), (820, 192341)]