5290220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20347}}^1$

素因数の和:20369

約数の個数: 24

約数和(自身を含む): 11964624

約数和(自身を除く): 6674404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20347, 40694, 81388, 101735, 203470, 264511, 406940, 529022, 1058044, 1322555, 2645110, 5290220]

約数ペア:

[(1, 5290220), (2, 2645110), (4, 1322555), (5, 1058044), (10, 529022), (13, 406940), (20, 264511), (26, 203470), (52, 101735), (65, 81388), (130, 40694), (260, 20347)]