320425975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{8539}}^1$

素因数の和:8647

約数の個数: 24

約数和(自身を含む): 423584000

約数和(自身を除く): 103158025

約数列:

[1, 5, 19, 25, 79, 95, 395, 475, 1501, 1975, 7505, 8539, 37525, 42695, 162241, 213475, 674581, 811205, 3372905, 4056025, 12817039, 16864525, 64085195, 320425975]

約数ペア:

[(1, 320425975), (5, 64085195), (19, 16864525), (25, 12817039), (79, 4056025), (95, 3372905), (395, 811205), (475, 674581), (1501, 213475), (1975, 162241), (7505, 42695), (8539, 37525)]