70720220

素因数分解:

$2^2\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{3253}}^1$

素因数の和:4349

約数の個数: 24

約数和(自身を含む): 148694784

約数和(自身を除く): 77974564

約数列:

[1, 2, 4, 5, 10, 20, 1087, 2174, 3253, 4348, 5435, 6506, 10870, 13012, 16265, 21740, 32530, 65060, 3536011, 7072022, 14144044, 17680055, 35360110, 70720220]

約数ペア:

[(1, 70720220), (2, 35360110), (4, 17680055), (5, 14144044), (10, 7072022), (20, 3536011), (1087, 65060), (2174, 32530), (3253, 21740), (4348, 16265), (5435, 13012), (6506, 10870)]