100704640

素因数分解:

$2^7\times 5^1\times {\mathrm{157351}}^1$

素因数の和:157370

約数の個数: 32

約数和(自身を含む): 240748560

約数和(自身を除く): 140043920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 157351, 314702, 629404, 786755, 1258808, 1573510, 2517616, 3147020, 5035232, 6294040, 10070464, 12588080, 20140928, 25176160, 50352320, 100704640]

約数ペア:

[(1, 100704640), (2, 50352320), (4, 25176160), (5, 20140928), (8, 12588080), (10, 10070464), (16, 6294040), (20, 5035232), (32, 3147020), (40, 2517616), (64, 1573510), (80, 1258808), (128, 786755), (160, 629404), (320, 314702), (640, 157351)]