2013757040

素因数分解:

$2^4\times 5^1\times {\mathrm{25171963}}^1$

素因数の和:25171976

約数の個数: 20

約数和(自身を含む): 4681985304

約数和(自身を除く): 2668228264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25171963, 50343926, 100687852, 125859815, 201375704, 251719630, 402751408, 503439260, 1006878520, 2013757040]

約数ペア:

[(1, 2013757040), (2, 1006878520), (4, 503439260), (5, 402751408), (8, 251719630), (10, 201375704), (16, 125859815), (20, 100687852), (40, 50343926), (80, 25171963)]