15520640

素因数分解:

$2^7\times 5^1\times {\mathrm{24251}}^1$

素因数の和:24270

約数の個数: 32

約数和(自身を含む): 37105560

約数和(自身を除く): 21584920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 24251, 48502, 97004, 121255, 194008, 242510, 388016, 485020, 776032, 970040, 1552064, 1940080, 3104128, 3880160, 7760320, 15520640]

約数ペア:

[(1, 15520640), (2, 7760320), (4, 3880160), (5, 3104128), (8, 1940080), (10, 1552064), (16, 970040), (20, 776032), (32, 485020), (40, 388016), (64, 242510), (80, 194008), (128, 121255), (160, 97004), (320, 48502), (640, 24251)]