71781580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{276083}}^1$

素因数の和:276105

約数の個数: 24

約数和(自身を含む): 162337392

約数和(自身を除く): 90555812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 276083, 552166, 1104332, 1380415, 2760830, 3589079, 5521660, 7178158, 14356316, 17945395, 35890790, 71781580]

約数ペア:

[(1, 71781580), (2, 35890790), (4, 17945395), (5, 14356316), (10, 7178158), (13, 5521660), (20, 3589079), (26, 2760830), (52, 1380415), (65, 1104332), (130, 552166), (260, 276083)]