15801875

素因数分解:

$5^4\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:344

約数の個数: 20

約数和(自身を含む): 19999848

約数和(自身を除く): 4197973

約数列:

[1, 5, 25, 125, 131, 193, 625, 655, 965, 3275, 4825, 16375, 24125, 25283, 81875, 120625, 126415, 632075, 3160375, 15801875]

約数ペア:

[(1, 15801875), (5, 3160375), (25, 632075), (125, 126415), (131, 120625), (193, 81875), (625, 25283), (655, 24125), (965, 16375), (3275, 4825)]