61216640

素因数分解:

$2^7\times 5^1\times {\mathrm{95651}}^1$

素因数の和:95670

約数の個数: 32

約数和(自身を含む): 146347560

約数和(自身を除く): 85130920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 95651, 191302, 382604, 478255, 765208, 956510, 1530416, 1913020, 3060832, 3826040, 6121664, 7652080, 12243328, 15304160, 30608320, 61216640]

約数ペア:

[(1, 61216640), (2, 30608320), (4, 15304160), (5, 12243328), (8, 7652080), (10, 6121664), (16, 3826040), (20, 3060832), (32, 1913020), (40, 1530416), (64, 956510), (80, 765208), (128, 478255), (160, 382604), (320, 191302), (640, 95651)]