55102840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105967}}^1$

素因数の和:105991

約数の個数: 32

約数和(自身を含む): 133519680

約数和(自身を除く): 78416840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 105967, 211934, 423868, 529835, 847736, 1059670, 1377571, 2119340, 2755142, 4238680, 5510284, 6887855, 11020568, 13775710, 27551420, 55102840]

約数ペア:

[(1, 55102840), (2, 27551420), (4, 13775710), (5, 11020568), (8, 6887855), (10, 5510284), (13, 4238680), (20, 2755142), (26, 2119340), (40, 1377571), (52, 1059670), (65, 847736), (104, 529835), (130, 423868), (260, 211934), (520, 105967)]