8221640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29363}}^1$

素因数の和:29381

約数の個数: 32

約数和(自身を含む): 21142080

約数和(自身を除く): 12920440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 29363, 58726, 117452, 146815, 205541, 234904, 293630, 411082, 587260, 822164, 1027705, 1174520, 1644328, 2055410, 4110820, 8221640]

約数ペア:

[(1, 8221640), (2, 4110820), (4, 2055410), (5, 1644328), (7, 1174520), (8, 1027705), (10, 822164), (14, 587260), (20, 411082), (28, 293630), (35, 234904), (40, 205541), (56, 146815), (70, 117452), (140, 58726), (280, 29363)]