28704940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130477}}^1$

素因数の和:130497

約数の個数: 24

約数和(自身を含む): 65760912

約数和(自身を除く): 37055972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130477, 260954, 521908, 652385, 1304770, 1435247, 2609540, 2870494, 5740988, 7176235, 14352470, 28704940]

約数ペア:

[(1, 28704940), (2, 14352470), (4, 7176235), (5, 5740988), (10, 2870494), (11, 2609540), (20, 1435247), (22, 1304770), (44, 652385), (55, 521908), (110, 260954), (220, 130477)]