40528420

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{8849}}^1$

素因数の和:9087

約数の個数: 24

約数和(自身を含む): 85491000

約数和(自身を除く): 44962580

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 8849, 17698, 35396, 44245, 88490, 176980, 2026421, 4052842, 8105684, 10132105, 20264210, 40528420]

約数ペア:

[(1, 40528420), (2, 20264210), (4, 10132105), (5, 8105684), (10, 4052842), (20, 2026421), (229, 176980), (458, 88490), (916, 44245), (1145, 35396), (2290, 17698), (4580, 8849)]