40201960

素因数分解:

$2^3\times 5^1\times {\mathrm{1005049}}^1$

素因数の和:1005060

約数の個数: 16

約数和(自身を含む): 90454500

約数和(自身を除く): 50252540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1005049, 2010098, 4020196, 5025245, 8040392, 10050490, 20100980, 40201960]

約数ペア:

[(1, 40201960), (2, 20100980), (4, 10050490), (5, 8040392), (8, 5025245), (10, 4020196), (20, 2010098), (40, 1005049)]