8416640

素因数分解:

$2^7\times 5^1\times {\mathrm{13151}}^1$

素因数の和:13170

約数の個数: 32

約数和(自身を含む): 20122560

約数和(自身を除く): 11705920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13151, 26302, 52604, 65755, 105208, 131510, 210416, 263020, 420832, 526040, 841664, 1052080, 1683328, 2104160, 4208320, 8416640]

約数ペア:

[(1, 8416640), (2, 4208320), (4, 2104160), (5, 1683328), (8, 1052080), (10, 841664), (16, 526040), (20, 420832), (32, 263020), (40, 210416), (64, 131510), (80, 105208), (128, 65755), (160, 52604), (320, 26302), (640, 13151)]