27798020

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8527}}^1$

素因数の和:8699

約数の個数: 24

約数和(自身を含む): 58740864

約数和(自身を除く): 30942844

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 8527, 17054, 34108, 42635, 85270, 170540, 1389901, 2779802, 5559604, 6949505, 13899010, 27798020]

約数ペア:

[(1, 27798020), (2, 13899010), (4, 6949505), (5, 5559604), (10, 2779802), (20, 1389901), (163, 170540), (326, 85270), (652, 42635), (815, 34108), (1630, 17054), (3260, 8527)]