12745850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19609}}^1$

素因数の和:19634

約数の個数: 24

約数和(自身を含む): 25532220

約数和(自身を除く): 12786370

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 19609, 39218, 98045, 196090, 254917, 490225, 509834, 980450, 1274585, 2549170, 6372925, 12745850]

約数ペア:

[(1, 12745850), (2, 6372925), (5, 2549170), (10, 1274585), (13, 980450), (25, 509834), (26, 490225), (50, 254917), (65, 196090), (130, 98045), (325, 39218), (650, 19609)]