17805580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68483}}^1$

素因数の和:68505

約数の個数: 24

約数和(自身を含む): 40268592

約数和(自身を除く): 22463012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68483, 136966, 273932, 342415, 684830, 890279, 1369660, 1780558, 3561116, 4451395, 8902790, 17805580]

約数ペア:

[(1, 17805580), (2, 8902790), (4, 4451395), (5, 3561116), (10, 1780558), (13, 1369660), (20, 890279), (26, 684830), (52, 342415), (65, 273932), (130, 136966), (260, 68483)]