2123121025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{967}}^1\times {\mathrm{2833}}^1$

素因数の和:3841

約数の個数: 24

約数和(自身を含む): 2721365504

約数和(自身を除く): 598244479

約数列:

[1, 5, 25, 31, 155, 775, 967, 2833, 4835, 14165, 24175, 29977, 70825, 87823, 149885, 439115, 749425, 2195575, 2739511, 13697555, 68487775, 84924841, 424624205, 2123121025]

約数ペア:

[(1, 2123121025), (5, 424624205), (25, 84924841), (31, 68487775), (155, 13697555), (775, 2739511), (967, 2195575), (2833, 749425), (4835, 439115), (14165, 149885), (24175, 87823), (29977, 70825)]