11995940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4957}}^1$

素因数の和:4988

約数の個数: 36

約数和(自身を含む): 27695388

約数和(自身を除く): 15699448

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 4957, 9914, 19828, 24785, 49570, 54527, 99140, 109054, 218108, 272635, 545270, 599797, 1090540, 1199594, 2399188, 2998985, 5997970, 11995940]

約数ペア:

[(1, 11995940), (2, 5997970), (4, 2998985), (5, 2399188), (10, 1199594), (11, 1090540), (20, 599797), (22, 545270), (44, 272635), (55, 218108), (110, 109054), (121, 99140), (220, 54527), (242, 49570), (484, 24785), (605, 19828), (1210, 9914), (2420, 4957)]