79416640

素因数分解:

$2^6\times 5^1\times {\mathrm{248177}}^1$

素因数の和:248194

約数の個数: 28

約数和(自身を含む): 189111636

約数和(自身を除く): 109694996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 248177, 496354, 992708, 1240885, 1985416, 2481770, 3970832, 4963540, 7941664, 9927080, 15883328, 19854160, 39708320, 79416640]

約数ペア:

[(1, 79416640), (2, 39708320), (4, 19854160), (5, 15883328), (8, 9927080), (10, 7941664), (16, 4963540), (20, 3970832), (32, 2481770), (40, 1985416), (64, 1240885), (80, 992708), (160, 496354), (320, 248177)]