71559820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{123379}}^1$

素因数の和:123417

約数の個数: 24

約数和(自身を含む): 155458800

約数和(自身を除く): 83898980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 123379, 246758, 493516, 616895, 1233790, 2467580, 3577991, 7155982, 14311964, 17889955, 35779910, 71559820]

約数ペア:

[(1, 71559820), (2, 35779910), (4, 17889955), (5, 14311964), (10, 7155982), (20, 3577991), (29, 2467580), (58, 1233790), (116, 616895), (145, 493516), (290, 246758), (580, 123379)]