78810575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1999}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 104160000

約数和(自身を除く): 25349425

約数列:

[1, 5, 19, 25, 83, 95, 415, 475, 1577, 1999, 2075, 7885, 9995, 37981, 39425, 49975, 165917, 189905, 829585, 949525, 3152423, 4147925, 15762115, 78810575]

約数ペア:

[(1, 78810575), (5, 15762115), (19, 4147925), (25, 3152423), (83, 949525), (95, 829585), (415, 189905), (475, 165917), (1577, 49975), (1999, 39425), (2075, 37981), (7885, 9995)]