139464440

素因数分解:

$2^3\times 5^1\times {\mathrm{3486611}}^1$

素因数の和:3486622

約数の個数: 16

約数和(自身を含む): 313795080

約数和(自身を除く): 174330640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3486611, 6973222, 13946444, 17433055, 27892888, 34866110, 69732220, 139464440]

約数ペア:

[(1, 139464440), (2, 69732220), (4, 34866110), (5, 27892888), (8, 17433055), (10, 13946444), (20, 6973222), (40, 3486611)]