51157640

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2887}}^1$

素因数の和:3341

約数の個数: 32

約数和(自身を含む): 115404480

約数和(自身を除く): 64246840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 2887, 3544, 4430, 5774, 8860, 11548, 14435, 17720, 23096, 28870, 57740, 115480, 1278941, 2557882, 5115764, 6394705, 10231528, 12789410, 25578820, 51157640]

約数ペア:

[(1, 51157640), (2, 25578820), (4, 12789410), (5, 10231528), (8, 6394705), (10, 5115764), (20, 2557882), (40, 1278941), (443, 115480), (886, 57740), (1772, 28870), (2215, 23096), (2887, 17720), (3544, 14435), (4430, 11548), (5774, 8860)]