2018557580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7763683}}^1$

素因数の和:7763705

約数の個数: 24

約数和(自身を含む): 4565046192

約数和(自身を除く): 2546488612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7763683, 15527366, 31054732, 38818415, 77636830, 100927879, 155273660, 201855758, 403711516, 504639395, 1009278790, 2018557580]

約数ペア:

[(1, 2018557580), (2, 1009278790), (4, 504639395), (5, 403711516), (10, 201855758), (13, 155273660), (20, 100927879), (26, 77636830), (52, 38818415), (65, 31054732), (130, 15527366), (260, 7763683)]