16908440

素因数分解:

$2^3\times 5^1\times {\mathrm{422711}}^1$

素因数の和:422722

約数の個数: 16

約数和(自身を含む): 38044080

約数和(自身を除く): 21135640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 422711, 845422, 1690844, 2113555, 3381688, 4227110, 8454220, 16908440]

約数ペア:

[(1, 16908440), (2, 8454220), (4, 4227110), (5, 3381688), (8, 2113555), (10, 1690844), (20, 845422), (40, 422711)]