27931480

素因数分解:

$2^3\times 5^1\times {\mathrm{698287}}^1$

素因数の和:698298

約数の個数: 16

約数和(自身を含む): 62845920

約数和(自身を除く): 34914440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 698287, 1396574, 2793148, 3491435, 5586296, 6982870, 13965740, 27931480]

約数ペア:

[(1, 27931480), (2, 13965740), (4, 6982870), (5, 5586296), (8, 3491435), (10, 2793148), (20, 1396574), (40, 698287)]