2021658025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{113417}}^1$

素因数の和:113481

約数の個数: 24

約数和(自身を含む): 2700255744

約数和(自身を除く): 678597719

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 3565, 17825, 113417, 567085, 2608591, 2835425, 3515927, 13042955, 17579635, 65214775, 80866321, 87898175, 404331605, 2021658025]

約数ペア:

[(1, 2021658025), (5, 404331605), (23, 87898175), (25, 80866321), (31, 65214775), (115, 17579635), (155, 13042955), (575, 3515927), (713, 2835425), (775, 2608591), (3565, 567085), (17825, 113417)]