16405180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6779}}^1$

素因数の和:6810

約数の個数: 36

約数和(自身を含む): 37873080

約数和(自身を除く): 21467900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 6779, 13558, 27116, 33895, 67790, 74569, 135580, 149138, 298276, 372845, 745690, 820259, 1491380, 1640518, 3281036, 4101295, 8202590, 16405180]

約数ペア:

[(1, 16405180), (2, 8202590), (4, 4101295), (5, 3281036), (10, 1640518), (11, 1491380), (20, 820259), (22, 745690), (44, 372845), (55, 298276), (110, 149138), (121, 135580), (220, 74569), (242, 67790), (484, 33895), (605, 27116), (1210, 13558), (2420, 6779)]