2495309020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{673}}^1\times {\mathrm{2083}}^1$

素因数の和:2854

約数の個数: 48

約数和(自身を含む): 5309448480

約数和(自身を除く): 2814139460

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 673, 890, 1346, 1780, 2083, 2692, 3365, 4166, 6730, 8332, 10415, 13460, 20830, 41660, 59897, 119794, 185387, 239588, 299485, 370774, 598970, 741548, 926935, 1197940, 1401859, 1853870, 2803718, 3707740, 5607436, 7009295, 14018590, 28037180, 124765451, 249530902, 499061804, 623827255, 1247654510, 2495309020]

約数ペア:

[(1, 2495309020), (2, 1247654510), (4, 623827255), (5, 499061804), (10, 249530902), (20, 124765451), (89, 28037180), (178, 14018590), (356, 7009295), (445, 5607436), (673, 3707740), (890, 2803718), (1346, 1853870), (1780, 1401859), (2083, 1197940), (2692, 926935), (3365, 741548), (4166, 598970), (6730, 370774), (8332, 299485), (10415, 239588), (13460, 185387), (20830, 119794), (41660, 59897)]