85809020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2179}}^1$

素因数の和:2378

約数の個数: 48

約数和(自身を含む): 197769600

約数和(自身を除く): 111960580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1969, 2179, 3580, 3938, 4358, 7876, 8716, 9845, 10895, 19690, 21790, 23969, 39380, 43580, 47938, 95876, 119845, 239690, 390041, 479380, 780082, 1560164, 1950205, 3900410, 4290451, 7800820, 8580902, 17161804, 21452255, 42904510, 85809020]

約数ペア:

[(1, 85809020), (2, 42904510), (4, 21452255), (5, 17161804), (10, 8580902), (11, 7800820), (20, 4290451), (22, 3900410), (44, 1950205), (55, 1560164), (110, 780082), (179, 479380), (220, 390041), (358, 239690), (716, 119845), (895, 95876), (1790, 47938), (1969, 43580), (2179, 39380), (3580, 23969), (3938, 21790), (4358, 19690), (7876, 10895), (8716, 9845)]