1209650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1861}}^1$

素因数の和:1886

約数の個数: 24

約数和(自身を含む): 2424324

約数和(自身を除く): 1214674

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1861, 3722, 9305, 18610, 24193, 46525, 48386, 93050, 120965, 241930, 604825, 1209650]

約数ペア:

[(1, 1209650), (2, 604825), (5, 241930), (10, 120965), (13, 93050), (25, 48386), (26, 46525), (50, 24193), (65, 18610), (130, 9305), (325, 3722), (650, 1861)]