28847740

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8849}}^1$

素因数の和:9021

約数の個数: 24

約数和(自身を含む): 60958800

約数和(自身を除く): 32111060

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 8849, 17698, 35396, 44245, 88490, 176980, 1442387, 2884774, 5769548, 7211935, 14423870, 28847740]

約数ペア:

[(1, 28847740), (2, 14423870), (4, 7211935), (5, 5769548), (10, 2884774), (20, 1442387), (163, 176980), (326, 88490), (652, 44245), (815, 35396), (1630, 17698), (3260, 8849)]