155038120

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{7411}}^1$

素因数の和:7945

約数の個数: 32

約数和(自身を含む): 349549920

約数和(自身を除く): 194511800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 7411, 10460, 14822, 20920, 29644, 37055, 59288, 74110, 148220, 296440, 3875953, 7751906, 15503812, 19379765, 31007624, 38759530, 77519060, 155038120]

約数ペア:

[(1, 155038120), (2, 77519060), (4, 38759530), (5, 31007624), (8, 19379765), (10, 15503812), (20, 7751906), (40, 3875953), (523, 296440), (1046, 148220), (2092, 74110), (2615, 59288), (4184, 37055), (5230, 29644), (7411, 20920), (10460, 14822)]