8679020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1319}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 21288960

約数和(自身を除く): 12609940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1319, 1645, 2638, 3290, 5276, 6580, 6595, 9233, 13190, 18466, 26380, 36932, 46165, 61993, 92330, 123986, 184660, 247972, 309965, 433951, 619930, 867902, 1239860, 1735804, 2169755, 4339510, 8679020]

約数ペア:

[(1, 8679020), (2, 4339510), (4, 2169755), (5, 1735804), (7, 1239860), (10, 867902), (14, 619930), (20, 433951), (28, 309965), (35, 247972), (47, 184660), (70, 123986), (94, 92330), (140, 61993), (188, 46165), (235, 36932), (329, 26380), (470, 18466), (658, 13190), (940, 9233), (1316, 6595), (1319, 6580), (1645, 5276), (2638, 3290)]