2485990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1471}}^1$

素因数の和:1504

約数の個数: 24

約数和(自身を含む): 4848768

約数和(自身を除く): 2362778

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1471, 1690, 2942, 7355, 14710, 19123, 38246, 95615, 191230, 248599, 497198, 1242995, 2485990]

約数ペア:

[(1, 2485990), (2, 1242995), (5, 497198), (10, 248599), (13, 191230), (26, 95615), (65, 38246), (130, 19123), (169, 14710), (338, 7355), (845, 2942), (1471, 1690)]