40809640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32911}}^1$

素因数の和:32953

約数の個数: 32

約数和(自身を含む): 94786560

約数和(自身を除く): 53976920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 32911, 65822, 131644, 164555, 263288, 329110, 658220, 1020241, 1316440, 2040482, 4080964, 5101205, 8161928, 10202410, 20404820, 40809640]

約数ペア:

[(1, 40809640), (2, 20404820), (4, 10202410), (5, 8161928), (8, 5101205), (10, 4080964), (20, 2040482), (31, 1316440), (40, 1020241), (62, 658220), (124, 329110), (155, 263288), (248, 164555), (310, 131644), (620, 65822), (1240, 32911)]