8509840

素因数分解:

$2^4\times 5^1\times {\mathrm{106373}}^1$

素因数の和:106386

約数の個数: 20

約数和(自身を含む): 19785564

約数和(自身を除く): 11275724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 106373, 212746, 425492, 531865, 850984, 1063730, 1701968, 2127460, 4254920, 8509840]

約数ペア:

[(1, 8509840), (2, 4254920), (4, 2127460), (5, 1701968), (8, 1063730), (10, 850984), (16, 531865), (20, 425492), (40, 212746), (80, 106373)]