31850780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{122503}}^1$

素因数の和:122525

約数の個数: 24

約数和(自身を含む): 72032352

約数和(自身を除く): 40181572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 122503, 245006, 490012, 612515, 1225030, 1592539, 2450060, 3185078, 6370156, 7962695, 15925390, 31850780]

約数ペア:

[(1, 31850780), (2, 15925390), (4, 7962695), (5, 6370156), (10, 3185078), (13, 2450060), (20, 1592539), (26, 1225030), (52, 612515), (65, 490012), (130, 245006), (260, 122503)]