9001640

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1619}}^1$

素因数の和:1769

約数の個数: 32

約数和(自身を含む): 20412000

約数和(自身を除く): 11410360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 1619, 2780, 3238, 5560, 6476, 8095, 12952, 16190, 32380, 64760, 225041, 450082, 900164, 1125205, 1800328, 2250410, 4500820, 9001640]

約数ペア:

[(1, 9001640), (2, 4500820), (4, 2250410), (5, 1800328), (8, 1125205), (10, 900164), (20, 450082), (40, 225041), (139, 64760), (278, 32380), (556, 16190), (695, 12952), (1112, 8095), (1390, 6476), (1619, 5560), (2780, 3238)]