12605780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5209}}^1$

素因数の和:5240

約数の個数: 36

約数和(自身を含む): 29103060

約数和(自身を除く): 16497280

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 5209, 10418, 20836, 26045, 52090, 57299, 104180, 114598, 229196, 286495, 572990, 630289, 1145980, 1260578, 2521156, 3151445, 6302890, 12605780]

約数ペア:

[(1, 12605780), (2, 6302890), (4, 3151445), (5, 2521156), (10, 1260578), (11, 1145980), (20, 630289), (22, 572990), (44, 286495), (55, 229196), (110, 114598), (121, 104180), (220, 57299), (242, 52090), (484, 26045), (605, 20836), (1210, 10418), (2420, 5209)]