168727480

素因数分解:

$2^3\times 5^1\times {\mathrm{2027}}^1\times {\mathrm{2081}}^1$

素因数の和:4119

約数の個数: 32

約数和(自身を含む): 380006640

約数和(自身を除く): 211279160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2027, 2081, 4054, 4162, 8108, 8324, 10135, 10405, 16216, 16648, 20270, 20810, 40540, 41620, 81080, 83240, 4218187, 8436374, 16872748, 21090935, 33745496, 42181870, 84363740, 168727480]

約数ペア:

[(1, 168727480), (2, 84363740), (4, 42181870), (5, 33745496), (8, 21090935), (10, 16872748), (20, 8436374), (40, 4218187), (2027, 83240), (2081, 81080), (4054, 41620), (4162, 40540), (8108, 20810), (8324, 20270), (10135, 16648), (10405, 16216)]