66208640

素因数分解:

$2^7\times 5^1\times {\mathrm{103451}}^1$

素因数の和:103470

約数の個数: 32

約数和(自身を含む): 158281560

約数和(自身を除く): 92072920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 103451, 206902, 413804, 517255, 827608, 1034510, 1655216, 2069020, 3310432, 4138040, 6620864, 8276080, 13241728, 16552160, 33104320, 66208640]

約数ペア:

[(1, 66208640), (2, 33104320), (4, 16552160), (5, 13241728), (8, 8276080), (10, 6620864), (16, 4138040), (20, 3310432), (32, 2069020), (40, 1655216), (64, 1034510), (80, 827608), (128, 517255), (160, 413804), (320, 206902), (640, 103451)]