2018795540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{13043}}^1$

素因数の和:13232

約数の個数: 48

約数和(自身を含む): 4338956160

約数和(自身を除く): 2320160620

約数列:

[1, 2, 4, 5, 10, 20, 71, 109, 142, 218, 284, 355, 436, 545, 710, 1090, 1420, 2180, 7739, 13043, 15478, 26086, 30956, 38695, 52172, 65215, 77390, 130430, 154780, 260860, 926053, 1421687, 1852106, 2843374, 3704212, 4630265, 5686748, 7108435, 9260530, 14216870, 18521060, 28433740, 100939777, 201879554, 403759108, 504698885, 1009397770, 2018795540]

約数ペア:

[(1, 2018795540), (2, 1009397770), (4, 504698885), (5, 403759108), (10, 201879554), (20, 100939777), (71, 28433740), (109, 18521060), (142, 14216870), (218, 9260530), (284, 7108435), (355, 5686748), (436, 4630265), (545, 3704212), (710, 2843374), (1090, 1852106), (1420, 1421687), (2180, 926053), (7739, 260860), (13043, 154780), (15478, 130430), (26086, 77390), (30956, 65215), (38695, 52172)]