12839450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19753}}^1$

素因数の和:19778

約数の個数: 24

約数和(自身を含む): 25719708

約数和(自身を除く): 12880258

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 19753, 39506, 98765, 197530, 256789, 493825, 513578, 987650, 1283945, 2567890, 6419725, 12839450]

約数ペア:

[(1, 12839450), (2, 6419725), (5, 2567890), (10, 1283945), (13, 987650), (25, 513578), (26, 493825), (50, 256789), (65, 197530), (130, 98765), (325, 39506), (650, 19753)]