12429820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47807}}^1$

素因数の和:47829

約数の個数: 24

約数和(自身を含む): 28111104

約数和(自身を除く): 15681284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 47807, 95614, 191228, 239035, 478070, 621491, 956140, 1242982, 2485964, 3107455, 6214910, 12429820]

約数ペア:

[(1, 12429820), (2, 6214910), (4, 3107455), (5, 2485964), (10, 1242982), (13, 956140), (20, 621491), (26, 478070), (52, 239035), (65, 191228), (130, 95614), (260, 47807)]