38624375

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{2131}}^1$

素因数の和:2180

約数の個数: 20

約数和(自身を含む): 49952760

約数和(自身を除く): 11328385

約数列:

[1, 5, 25, 29, 125, 145, 625, 725, 2131, 3625, 10655, 18125, 53275, 61799, 266375, 308995, 1331875, 1544975, 7724875, 38624375]

約数ペア:

[(1, 38624375), (5, 7724875), (25, 1544975), (29, 1331875), (125, 308995), (145, 266375), (625, 61799), (725, 53275), (2131, 18125), (3625, 10655)]