25290515

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 30996000

約数和(自身を除く): 5705485

約数列:

[1, 5, 83, 149, 409, 415, 745, 2045, 12367, 33947, 60941, 61835, 169735, 304705, 5058103, 25290515]

約数ペア:

[(1, 25290515), (5, 5058103), (83, 304705), (149, 169735), (409, 61835), (415, 60941), (745, 33947), (2045, 12367)]