166803260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641551}}^1$

素因数の和:641573

約数の個数: 24

約数和(自身を含む): 377232576

約数和(自身を除く): 210429316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 641551, 1283102, 2566204, 3207755, 6415510, 8340163, 12831020, 16680326, 33360652, 41700815, 83401630, 166803260]

約数ペア:

[(1, 166803260), (2, 83401630), (4, 41700815), (5, 33360652), (10, 16680326), (13, 12831020), (20, 8340163), (26, 6415510), (52, 3207755), (65, 2566204), (130, 1283102), (260, 641551)]