2019129580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7765883}}^1$

素因数の和:7765905

約数の個数: 24

約数和(自身を含む): 4566339792

約数和(自身を除く): 2547210212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7765883, 15531766, 31063532, 38829415, 77658830, 100956479, 155317660, 201912958, 403825916, 504782395, 1009564790, 2019129580]

約数ペア:

[(1, 2019129580), (2, 1009564790), (4, 504782395), (5, 403825916), (10, 201912958), (13, 155317660), (20, 100956479), (26, 77658830), (52, 38829415), (65, 31063532), (130, 15531766), (260, 7765883)]