2181327125

素因数分解:

$5^3\times {\mathrm{151}}^1\times {\mathrm{163}}^1\times {\mathrm{709}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 2761025280

約数和(自身を除く): 579698155

約数列:

[1, 5, 25, 125, 151, 163, 709, 755, 815, 3545, 3775, 4075, 17725, 18875, 20375, 24613, 88625, 107059, 115567, 123065, 535295, 577835, 615325, 2676475, 2889175, 3076625, 13382375, 14445875, 17450617, 87253085, 436265425, 2181327125]

約数ペア:

[(1, 2181327125), (5, 436265425), (25, 87253085), (125, 17450617), (151, 14445875), (163, 13382375), (709, 3076625), (755, 2889175), (815, 2676475), (3545, 615325), (3775, 577835), (4075, 535295), (17725, 123065), (18875, 115567), (20375, 107059), (24613, 88625)]