8397740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32299}}^1$

素因数の和:32321

約数の個数: 24

約数和(自身を含む): 18992400

約数和(自身を除く): 10594660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32299, 64598, 129196, 161495, 322990, 419887, 645980, 839774, 1679548, 2099435, 4198870, 8397740]

約数ペア:

[(1, 8397740), (2, 4198870), (4, 2099435), (5, 1679548), (10, 839774), (13, 645980), (20, 419887), (26, 322990), (52, 161495), (65, 129196), (130, 64598), (260, 32299)]