85508920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43627}}^1$

素因数の和:43652

約数の個数: 48

約数和(自身を含む): 223811640

約数和(自身を除く): 138302720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 43627, 87254, 174508, 218135, 305389, 349016, 436270, 610778, 872540, 1221556, 1526945, 1745080, 2137723, 2443112, 3053890, 4275446, 6107780, 8550892, 10688615, 12215560, 17101784, 21377230, 42754460, 85508920]

約数ペア:

[(1, 85508920), (2, 42754460), (4, 21377230), (5, 17101784), (7, 12215560), (8, 10688615), (10, 8550892), (14, 6107780), (20, 4275446), (28, 3053890), (35, 2443112), (40, 2137723), (49, 1745080), (56, 1526945), (70, 1221556), (98, 872540), (140, 610778), (196, 436270), (245, 349016), (280, 305389), (392, 218135), (490, 174508), (980, 87254), (1960, 43627)]