12455740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5147}}^1$

素因数の和:5178

約数の個数: 36

約数和(自身を含む): 28756728

約数和(自身を除く): 16300988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 5147, 10294, 20588, 25735, 51470, 56617, 102940, 113234, 226468, 283085, 566170, 622787, 1132340, 1245574, 2491148, 3113935, 6227870, 12455740]

約数ペア:

[(1, 12455740), (2, 6227870), (4, 3113935), (5, 2491148), (10, 1245574), (11, 1132340), (20, 622787), (22, 566170), (44, 283085), (55, 226468), (110, 113234), (121, 102940), (220, 56617), (242, 51470), (484, 25735), (605, 20588), (1210, 10294), (2420, 5147)]