82089140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20219}}^1$

素因数の和:20264

約数の個数: 48

約数和(自身を含む): 203817600

約数和(自身を除く): 121728460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 20219, 40438, 80876, 101095, 141533, 202190, 283066, 404380, 566132, 586351, 707665, 1172702, 1415330, 2345404, 2830660, 2931755, 4104457, 5863510, 8208914, 11727020, 16417828, 20522285, 41044570, 82089140]

約数ペア:

[(1, 82089140), (2, 41044570), (4, 20522285), (5, 16417828), (7, 11727020), (10, 8208914), (14, 5863510), (20, 4104457), (28, 2931755), (29, 2830660), (35, 2345404), (58, 1415330), (70, 1172702), (116, 707665), (140, 586351), (145, 566132), (203, 404380), (290, 283066), (406, 202190), (580, 141533), (812, 101095), (1015, 80876), (2030, 40438), (4060, 20219)]