87996640

素因数分解:

$2^5\times 5^1\times {\mathrm{549979}}^1$

素因数の和:549994

約数の個数: 24

約数和(自身を含む): 207892440

約数和(自身を除く): 119895800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 549979, 1099958, 2199916, 2749895, 4399832, 5499790, 8799664, 10999580, 17599328, 21999160, 43998320, 87996640]

約数ペア:

[(1, 87996640), (2, 43998320), (4, 21999160), (5, 17599328), (8, 10999580), (10, 8799664), (16, 5499790), (20, 4399832), (32, 2749895), (40, 2199916), (80, 1099958), (160, 549979)]