201760640

素因数分解:

$2^7\times 5^1\times {\mathrm{315251}}^1$

素因数の和:315270

約数の個数: 32

約数和(自身を含む): 482335560

約数和(自身を除く): 280574920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 315251, 630502, 1261004, 1576255, 2522008, 3152510, 5044016, 6305020, 10088032, 12610040, 20176064, 25220080, 40352128, 50440160, 100880320, 201760640]

約数ペア:

[(1, 201760640), (2, 100880320), (4, 50440160), (5, 40352128), (8, 25220080), (10, 20176064), (16, 12610040), (20, 10088032), (32, 6305020), (40, 5044016), (64, 3152510), (80, 2522008), (128, 1576255), (160, 1261004), (320, 630502), (640, 315251)]