208032640

素因数分解:

$2^7\times 5^1\times {\mathrm{325051}}^1$

素因数の和:325070

約数の個数: 32

約数和(自身を含む): 497329560

約数和(自身を除く): 289296920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 325051, 650102, 1300204, 1625255, 2600408, 3250510, 5200816, 6501020, 10401632, 13002040, 20803264, 26004080, 41606528, 52008160, 104016320, 208032640]

約数ペア:

[(1, 208032640), (2, 104016320), (4, 52008160), (5, 41606528), (8, 26004080), (10, 20803264), (16, 13002040), (20, 10401632), (32, 6501020), (40, 5200816), (64, 3250510), (80, 2600408), (128, 1625255), (160, 1300204), (320, 650102), (640, 325051)]