51239980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{823}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 117944064

約数和(自身を除く): 66704084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 283, 566, 823, 1132, 1415, 1646, 2830, 3113, 3292, 4115, 5660, 6226, 8230, 9053, 12452, 15565, 16460, 18106, 31130, 36212, 45265, 62260, 90530, 181060, 232909, 465818, 931636, 1164545, 2329090, 2561999, 4658180, 5123998, 10247996, 12809995, 25619990, 51239980]

約数ペア:

[(1, 51239980), (2, 25619990), (4, 12809995), (5, 10247996), (10, 5123998), (11, 4658180), (20, 2561999), (22, 2329090), (44, 1164545), (55, 931636), (110, 465818), (220, 232909), (283, 181060), (566, 90530), (823, 62260), (1132, 45265), (1415, 36212), (1646, 31130), (2830, 18106), (3113, 16460), (3292, 15565), (4115, 12452), (5660, 9053), (6226, 8230)]