12779650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19661}}^1$

素因数の和:19686

約数の個数: 24

約数和(自身を含む): 25599924

約数和(自身を除く): 12820274

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 19661, 39322, 98305, 196610, 255593, 491525, 511186, 983050, 1277965, 2555930, 6389825, 12779650]

約数ペア:

[(1, 12779650), (2, 6389825), (5, 2555930), (10, 1277965), (13, 983050), (25, 511186), (26, 491525), (50, 255593), (65, 196610), (130, 98305), (325, 39322), (650, 19661)]