78121825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1009}}^1$

素因数の和:1201

約数の個数: 24

約数和(自身を含む): 102696800

約数和(自身を除く): 24574975

約数列:

[1, 5, 19, 25, 95, 163, 475, 815, 1009, 3097, 4075, 5045, 15485, 19171, 25225, 77425, 95855, 164467, 479275, 822335, 3124873, 4111675, 15624365, 78121825]

約数ペア:

[(1, 78121825), (5, 15624365), (19, 4111675), (25, 3124873), (95, 822335), (163, 479275), (475, 164467), (815, 95855), (1009, 77425), (3097, 25225), (4075, 19171), (5045, 15485)]