28476640

素因数分解:

$2^5\times 5^1\times {\mathrm{177979}}^1$

素因数の和:177994

約数の個数: 24

約数和(自身を含む): 67276440

約数和(自身を除く): 38799800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 177979, 355958, 711916, 889895, 1423832, 1779790, 2847664, 3559580, 5695328, 7119160, 14238320, 28476640]

約数ペア:

[(1, 28476640), (2, 14238320), (4, 7119160), (5, 5695328), (8, 3559580), (10, 2847664), (16, 1779790), (20, 1423832), (32, 889895), (40, 711916), (80, 355958), (160, 177979)]