8407540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2579}}^1$

素因数の和:2751

約数の個数: 24

約数和(自身を含む): 17771040

約数和(自身を除く): 9363500

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 2579, 3260, 5158, 10316, 12895, 25790, 51580, 420377, 840754, 1681508, 2101885, 4203770, 8407540]

約数ペア:

[(1, 8407540), (2, 4203770), (4, 2101885), (5, 1681508), (10, 840754), (20, 420377), (163, 51580), (326, 25790), (652, 12895), (815, 10316), (1630, 5158), (2579, 3260)]