81706810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{3449}}^1$

素因数の和:3582

約数の個数: 32

約数和(自身を含む): 155001600

約数和(自身を除く): 73294790

約数列:

[1, 2, 5, 10, 23, 46, 103, 115, 206, 230, 515, 1030, 2369, 3449, 4738, 6898, 11845, 17245, 23690, 34490, 79327, 158654, 355247, 396635, 710494, 793270, 1776235, 3552470, 8170681, 16341362, 40853405, 81706810]

約数ペア:

[(1, 81706810), (2, 40853405), (5, 16341362), (10, 8170681), (23, 3552470), (46, 1776235), (103, 793270), (115, 710494), (206, 396635), (230, 355247), (515, 158654), (1030, 79327), (2369, 34490), (3449, 23690), (4738, 17245), (6898, 11845)]