20161218025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1513037}}^1$

素因数の和:1513101

約数の個数: 24

約数和(自身を含む): 27579656664

約数和(自身を除く): 7418438639

約数列:

[1, 5, 13, 25, 41, 65, 205, 325, 533, 1025, 2665, 13325, 1513037, 7565185, 19669481, 37825925, 62034517, 98347405, 310172585, 491737025, 806448721, 1550862925, 4032243605, 20161218025]

約数ペア:

[(1, 20161218025), (5, 4032243605), (13, 1550862925), (25, 806448721), (41, 491737025), (65, 310172585), (205, 98347405), (325, 62034517), (533, 37825925), (1025, 19669481), (2665, 7565185), (13325, 1513037)]