6456640

素因数分解:

$2^6\times 5^1\times {\mathrm{20177}}^1$

素因数の和:20194

約数の個数: 28

約数和(自身を含む): 15375636

約数和(自身を除く): 8918996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 20177, 40354, 80708, 100885, 161416, 201770, 322832, 403540, 645664, 807080, 1291328, 1614160, 3228320, 6456640]

約数ペア:

[(1, 6456640), (2, 3228320), (4, 1614160), (5, 1291328), (8, 807080), (10, 645664), (16, 403540), (20, 322832), (32, 201770), (40, 161416), (64, 100885), (80, 80708), (160, 40354), (320, 20177)]