40902980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20249}}^1$

素因数の和:20359

約数の個数: 24

約数和(自身を含む): 86751000

約数和(自身を除く): 45848020

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 20249, 40498, 80996, 101245, 202490, 404980, 2045149, 4090298, 8180596, 10225745, 20451490, 40902980]

約数ペア:

[(1, 40902980), (2, 20451490), (4, 10225745), (5, 8180596), (10, 4090298), (20, 2045149), (101, 404980), (202, 202490), (404, 101245), (505, 80996), (1010, 40498), (2020, 20249)]