158012920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{303871}}^1$

素因数の和:303895

約数の個数: 32

約数和(自身を含む): 382878720

約数和(自身を除く): 224865800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 303871, 607742, 1215484, 1519355, 2430968, 3038710, 3950323, 6077420, 7900646, 12154840, 15801292, 19751615, 31602584, 39503230, 79006460, 158012920]

約数ペア:

[(1, 158012920), (2, 79006460), (4, 39503230), (5, 31602584), (8, 19751615), (10, 15801292), (13, 12154840), (20, 7900646), (26, 6077420), (40, 3950323), (52, 3038710), (65, 2430968), (104, 1519355), (130, 1215484), (260, 607742), (520, 303871)]