28792340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{18223}}^1$

素因数の和:18311

約数の個数: 24

約数和(自身を含む): 61232640

約数和(自身を除く): 32440300

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 18223, 36446, 72892, 91115, 182230, 364460, 1439617, 2879234, 5758468, 7198085, 14396170, 28792340]

約数ペア:

[(1, 28792340), (2, 14396170), (4, 7198085), (5, 5758468), (10, 2879234), (20, 1439617), (79, 364460), (158, 182230), (316, 91115), (395, 72892), (790, 36446), (1580, 18223)]