40449340

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3631}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 85119552

約数和(自身を除く): 44670212

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 3631, 5570, 7262, 11140, 14524, 18155, 36310, 72620, 2022467, 4044934, 8089868, 10112335, 20224670, 40449340]

約数ペア:

[(1, 40449340), (2, 20224670), (4, 10112335), (5, 8089868), (10, 4044934), (20, 2022467), (557, 72620), (1114, 36310), (2228, 18155), (2785, 14524), (3631, 11140), (5570, 7262)]