8890280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31751}}^1$

素因数の和:31769

約数の個数: 32

約数和(自身を含む): 22861440

約数和(自身を除く): 13971160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 31751, 63502, 127004, 158755, 222257, 254008, 317510, 444514, 635020, 889028, 1111285, 1270040, 1778056, 2222570, 4445140, 8890280]

約数ペア:

[(1, 8890280), (2, 4445140), (4, 2222570), (5, 1778056), (7, 1270040), (8, 1111285), (10, 889028), (14, 635020), (20, 444514), (28, 317510), (35, 254008), (40, 222257), (56, 158755), (70, 127004), (140, 63502), (280, 31751)]