71232640

素因数分解:

$2^7\times 5^1\times {\mathrm{111301}}^1$

素因数の和:111320

約数の個数: 32

約数和(自身を含む): 170292060

約数和(自身を除く): 99059420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 111301, 222602, 445204, 556505, 890408, 1113010, 1780816, 2226020, 3561632, 4452040, 7123264, 8904080, 14246528, 17808160, 35616320, 71232640]

約数ペア:

[(1, 71232640), (2, 35616320), (4, 17808160), (5, 14246528), (8, 8904080), (10, 7123264), (16, 4452040), (20, 3561632), (32, 2226020), (40, 1780816), (64, 1113010), (80, 890408), (128, 556505), (160, 445204), (320, 222602), (640, 111301)]