71640875

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{19763}}^1$

素因数の和:19807

約数の個数: 16

約数和(自身を含む): 92495520

約数和(自身を除く): 20854645

約数列:

[1, 5, 25, 29, 125, 145, 725, 3625, 19763, 98815, 494075, 573127, 2470375, 2865635, 14328175, 71640875]

約数ペア:

[(1, 71640875), (5, 14328175), (25, 2865635), (29, 2470375), (125, 573127), (145, 494075), (725, 98815), (3625, 19763)]