40407140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49277}}^1$

素因数の和:49327

約数の個数: 24

約数和(自身を含む): 86926392

約数和(自身を除く): 46519252

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 49277, 98554, 197108, 246385, 492770, 985540, 2020357, 4040714, 8081428, 10101785, 20203570, 40407140]

約数ペア:

[(1, 40407140), (2, 20203570), (4, 10101785), (5, 8081428), (10, 4040714), (20, 2020357), (41, 985540), (82, 492770), (164, 246385), (205, 197108), (410, 98554), (820, 49277)]