12430340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47809}}^1$

素因数の和:47831

約数の個数: 24

約数和(自身を含む): 28112280

約数和(自身を除く): 15681940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 47809, 95618, 191236, 239045, 478090, 621517, 956180, 1243034, 2486068, 3107585, 6215170, 12430340]

約数ペア:

[(1, 12430340), (2, 6215170), (4, 3107585), (5, 2486068), (10, 1243034), (13, 956180), (20, 621517), (26, 478090), (52, 239045), (65, 191236), (130, 95618), (260, 47809)]