811883020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3122627}}^1$

素因数の和:3122649

約数の個数: 24

約数和(自身を含む): 1836105264

約数和(自身を除く): 1024222244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3122627, 6245254, 12490508, 15613135, 31226270, 40594151, 62452540, 81188302, 162376604, 202970755, 405941510, 811883020]

約数ペア:

[(1, 811883020), (2, 405941510), (4, 202970755), (5, 162376604), (10, 81188302), (13, 62452540), (20, 40594151), (26, 31226270), (52, 15613135), (65, 12490508), (130, 6245254), (260, 3122627)]