15206875

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{839}}^1$

素因数の和:888

約数の個数: 20

約数和(自身を含む): 19681200

約数和(自身を除く): 4474325

約数列:

[1, 5, 25, 29, 125, 145, 625, 725, 839, 3625, 4195, 18125, 20975, 24331, 104875, 121655, 524375, 608275, 3041375, 15206875]

約数ペア:

[(1, 15206875), (5, 3041375), (25, 608275), (29, 524375), (125, 121655), (145, 104875), (625, 24331), (725, 20975), (839, 18125), (3625, 4195)]