27988220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107647}}^1$

素因数の和:107669

約数の個数: 24

約数和(自身を含む): 63297024

約数和(自身を除く): 35308804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 107647, 215294, 430588, 538235, 1076470, 1399411, 2152940, 2798822, 5597644, 6997055, 13994110, 27988220]

約数ペア:

[(1, 27988220), (2, 13994110), (4, 6997055), (5, 5597644), (10, 2798822), (13, 2152940), (20, 1399411), (26, 1076470), (52, 538235), (65, 430588), (130, 215294), (260, 107647)]