5181220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2141}}^1$

素因数の和:2172

約数の個数: 36

約数和(自身を含む): 11965212

約数和(自身を除く): 6783992

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2141, 2420, 4282, 8564, 10705, 21410, 23551, 42820, 47102, 94204, 117755, 235510, 259061, 471020, 518122, 1036244, 1295305, 2590610, 5181220]

約数ペア:

[(1, 5181220), (2, 2590610), (4, 1295305), (5, 1036244), (10, 518122), (11, 471020), (20, 259061), (22, 235510), (44, 117755), (55, 94204), (110, 47102), (121, 42820), (220, 23551), (242, 21410), (484, 10705), (605, 8564), (1210, 4282), (2141, 2420)]