10309840

素因数分解:

$2^4\times 5^1\times {\mathrm{128873}}^1$

素因数の和:128886

約数の個数: 20

約数和(自身を含む): 23970564

約数和(自身を除く): 13660724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 128873, 257746, 515492, 644365, 1030984, 1288730, 2061968, 2577460, 5154920, 10309840]

約数ペア:

[(1, 10309840), (2, 5154920), (4, 2577460), (5, 2061968), (8, 1288730), (10, 1030984), (16, 644365), (20, 515492), (40, 257746), (80, 128873)]