81863540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{372107}}^1$

素因数の和:372127

約数の個数: 24

約数和(自身を含む): 187542432

約数和(自身を除く): 105678892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 372107, 744214, 1488428, 1860535, 3721070, 4093177, 7442140, 8186354, 16372708, 20465885, 40931770, 81863540]

約数ペア:

[(1, 81863540), (2, 40931770), (4, 20465885), (5, 16372708), (10, 8186354), (11, 7442140), (20, 4093177), (22, 3721070), (44, 1860535), (55, 1488428), (110, 744214), (220, 372107)]