71895640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61979}}^1$

素因数の和:62019

約数の個数: 32

約数和(自身を含む): 167346000

約数和(自身を除く): 95450360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 61979, 123958, 247916, 309895, 495832, 619790, 1239580, 1797391, 2479160, 3594782, 7189564, 8986955, 14379128, 17973910, 35947820, 71895640]

約数ペア:

[(1, 71895640), (2, 35947820), (4, 17973910), (5, 14379128), (8, 8986955), (10, 7189564), (20, 3594782), (29, 2479160), (40, 1797391), (58, 1239580), (116, 619790), (145, 495832), (232, 309895), (290, 247916), (580, 123958), (1160, 61979)]