2015293820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{7841}}^1$

素因数の和:8102

約数の個数: 48

約数和(自身を含む): 4315985856

約数和(自身を除く): 2300692036

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 181, 284, 355, 362, 710, 724, 905, 1420, 1810, 3620, 7841, 12851, 15682, 25702, 31364, 39205, 51404, 64255, 78410, 128510, 156820, 257020, 556711, 1113422, 1419221, 2226844, 2783555, 2838442, 5567110, 5676884, 7096105, 11134220, 14192210, 28384420, 100764691, 201529382, 403058764, 503823455, 1007646910, 2015293820]

約数ペア:

[(1, 2015293820), (2, 1007646910), (4, 503823455), (5, 403058764), (10, 201529382), (20, 100764691), (71, 28384420), (142, 14192210), (181, 11134220), (284, 7096105), (355, 5676884), (362, 5567110), (710, 2838442), (724, 2783555), (905, 2226844), (1420, 1419221), (1810, 1113422), (3620, 556711), (7841, 257020), (12851, 156820), (15682, 128510), (25702, 78410), (31364, 64255), (39205, 51404)]