51823070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20981}}^1$

素因数の和:21020

約数の個数: 32

約数和(自身を含む): 105749280

約数和(自身を除く): 53926210

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 20981, 41962, 104905, 209810, 272753, 398639, 545506, 797278, 1363765, 1993195, 2727530, 3986390, 5182307, 10364614, 25911535, 51823070]

約数ペア:

[(1, 51823070), (2, 25911535), (5, 10364614), (10, 5182307), (13, 3986390), (19, 2727530), (26, 1993195), (38, 1363765), (65, 797278), (95, 545506), (130, 398639), (190, 272753), (247, 209810), (494, 104905), (1235, 41962), (2470, 20981)]