81988940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{372677}}^1$

素因数の和:372697

約数の個数: 24

約数和(自身を含む): 187829712

約数和(自身を除く): 105840772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 372677, 745354, 1490708, 1863385, 3726770, 4099447, 7453540, 8198894, 16397788, 20497235, 40994470, 81988940]

約数ペア:

[(1, 81988940), (2, 40994470), (4, 20497235), (5, 16397788), (10, 8198894), (11, 7453540), (20, 4099447), (22, 3726770), (44, 1863385), (55, 1490708), (110, 745354), (220, 372677)]