85416640

素因数分解:

$2^6\times 5^1\times {\mathrm{266927}}^1$

素因数の和:266944

約数の個数: 28

約数和(自身を含む): 203399136

約数和(自身を除く): 117982496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 266927, 533854, 1067708, 1334635, 2135416, 2669270, 4270832, 5338540, 8541664, 10677080, 17083328, 21354160, 42708320, 85416640]

約数ペア:

[(1, 85416640), (2, 42708320), (4, 21354160), (5, 17083328), (8, 10677080), (10, 8541664), (16, 5338540), (20, 4270832), (32, 2669270), (40, 2135416), (64, 1334635), (80, 1067708), (160, 533854), (320, 266927)]