8182590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20981}}^1$

素因数の和:21004

約数の個数: 32

約数和(自身を含む): 21149856

約数和(自身を除く): 12967266

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20981, 41962, 62943, 104905, 125886, 209810, 272753, 314715, 545506, 629430, 818259, 1363765, 1636518, 2727530, 4091295, 8182590]

約数ペア:

[(1, 8182590), (2, 4091295), (3, 2727530), (5, 1636518), (6, 1363765), (10, 818259), (13, 629430), (15, 545506), (26, 314715), (30, 272753), (39, 209810), (65, 125886), (78, 104905), (130, 62943), (195, 41962), (390, 20981)]