164941240

素因数分解:

$2^3\times 5^1\times {\mathrm{4123531}}^1$

素因数の和:4123542

約数の個数: 16

約数和(自身を含む): 371117880

約数和(自身を除く): 206176640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4123531, 8247062, 16494124, 20617655, 32988248, 41235310, 82470620, 164941240]

約数ペア:

[(1, 164941240), (2, 82470620), (4, 41235310), (5, 32988248), (8, 20617655), (10, 16494124), (20, 8247062), (40, 4123531)]