17412440

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{677}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 39296880

約数和(自身を除く): 21884440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 677, 1286, 1354, 2572, 2708, 3215, 3385, 5144, 5416, 6430, 6770, 12860, 13540, 25720, 27080, 435311, 870622, 1741244, 2176555, 3482488, 4353110, 8706220, 17412440]

約数ペア:

[(1, 17412440), (2, 8706220), (4, 4353110), (5, 3482488), (8, 2176555), (10, 1741244), (20, 870622), (40, 435311), (643, 27080), (677, 25720), (1286, 13540), (1354, 12860), (2572, 6770), (2708, 6430), (3215, 5416), (3385, 5144)]