8065590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20681}}^1$

素因数の和:20704

約数の個数: 32

約数和(自身を含む): 20847456

約数和(自身を除く): 12781866

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20681, 41362, 62043, 103405, 124086, 206810, 268853, 310215, 537706, 620430, 806559, 1344265, 1613118, 2688530, 4032795, 8065590]

約数ペア:

[(1, 8065590), (2, 4032795), (3, 2688530), (5, 1613118), (6, 1344265), (10, 806559), (13, 620430), (15, 537706), (26, 310215), (30, 268853), (39, 206810), (65, 124086), (78, 103405), (130, 62043), (195, 41362), (390, 20681)]