2016021313520

素因数分解:

$2^4\times 5^1\times {\mathrm{2521}}^1\times {\mathrm{9996139}}^1$

素因数の和:9998673

約数の個数: 40

約数和(自身を含む): 4689109304880

約数和(自身を除く): 2673087991360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2521, 5042, 10084, 12605, 20168, 25210, 40336, 50420, 100840, 201680, 9996139, 19992278, 39984556, 49980695, 79969112, 99961390, 159938224, 199922780, 399845560, 799691120, 25200266419, 50400532838, 100801065676, 126001332095, 201602131352, 252002664190, 403204262704, 504005328380, 1008010656760, 2016021313520]

約数ペア:

[(1, 2016021313520), (2, 1008010656760), (4, 504005328380), (5, 403204262704), (8, 252002664190), (10, 201602131352), (16, 126001332095), (20, 100801065676), (40, 50400532838), (80, 25200266419), (2521, 799691120), (5042, 399845560), (10084, 199922780), (12605, 159938224), (20168, 99961390), (25210, 79969112), (40336, 49980695), (50420, 39984556), (100840, 19992278), (201680, 9996139)]