126616640

素因数分解:

$2^6\times 5^1\times {\mathrm{395677}}^1$

素因数の和:395694

約数の個数: 28

約数和(自身を含む): 301506636

約数和(自身を除く): 174889996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 395677, 791354, 1582708, 1978385, 3165416, 3956770, 6330832, 7913540, 12661664, 15827080, 25323328, 31654160, 63308320, 126616640]

約数ペア:

[(1, 126616640), (2, 63308320), (4, 31654160), (5, 25323328), (8, 15827080), (10, 12661664), (16, 7913540), (20, 6330832), (32, 3956770), (40, 3165416), (64, 1978385), (80, 1582708), (160, 791354), (320, 395677)]