4356220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19801}}^1$

素因数の和:19821

約数の個数: 24

約数和(自身を含む): 9980208

約数和(自身を除く): 5623988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 19801, 39602, 79204, 99005, 198010, 217811, 396020, 435622, 871244, 1089055, 2178110, 4356220]

約数ペア:

[(1, 4356220), (2, 2178110), (4, 1089055), (5, 871244), (10, 435622), (11, 396020), (20, 217811), (22, 198010), (44, 99005), (55, 79204), (110, 39602), (220, 19801)]