61428425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1637}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 81244800

約数和(自身を除く): 19816375

約数列:

[1, 5, 19, 25, 79, 95, 395, 475, 1501, 1637, 1975, 7505, 8185, 31103, 37525, 40925, 129323, 155515, 646615, 777575, 2457137, 3233075, 12285685, 61428425]

約数ペア:

[(1, 61428425), (5, 12285685), (19, 3233075), (25, 2457137), (79, 777575), (95, 646615), (395, 155515), (475, 129323), (1501, 40925), (1637, 37525), (1975, 31103), (7505, 8185)]