1216820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5531}}^1$

素因数の和:5551

約数の個数: 24

約数和(自身を含む): 2788128

約数和(自身を除く): 1571308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5531, 11062, 22124, 27655, 55310, 60841, 110620, 121682, 243364, 304205, 608410, 1216820]

約数ペア:

[(1, 1216820), (2, 608410), (4, 304205), (5, 243364), (10, 121682), (11, 110620), (20, 60841), (22, 55310), (44, 27655), (55, 22124), (110, 11062), (220, 5531)]