5132920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9871}}^1$

素因数の和:9895

約数の個数: 32

約数和(自身を含む): 12438720

約数和(自身を除く): 7305800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 9871, 19742, 39484, 49355, 78968, 98710, 128323, 197420, 256646, 394840, 513292, 641615, 1026584, 1283230, 2566460, 5132920]

約数ペア:

[(1, 5132920), (2, 2566460), (4, 1283230), (5, 1026584), (8, 641615), (10, 513292), (13, 394840), (20, 256646), (26, 197420), (40, 128323), (52, 98710), (65, 78968), (104, 49355), (130, 39484), (260, 19742), (520, 9871)]