61818580

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{3119}}^1$

素因数の和:4119

約数の個数: 24

約数和(自身を含む): 129991680

約数和(自身を除く): 68173100

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3119, 3964, 4955, 6238, 9910, 12476, 15595, 19820, 31190, 62380, 3090929, 6181858, 12363716, 15454645, 30909290, 61818580]

約数ペア:

[(1, 61818580), (2, 30909290), (4, 15454645), (5, 12363716), (10, 6181858), (20, 3090929), (991, 62380), (1982, 31190), (3119, 19820), (3964, 15595), (4955, 12476), (6238, 9910)]