820199090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{12601}}^1$

素因数の和:12914

約数の個数: 32

約数和(自身を含む): 1546114176

約数和(自身を除く): 725915086

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 283, 566, 1415, 2830, 6509, 12601, 13018, 25202, 32545, 63005, 65090, 126010, 289823, 579646, 1449115, 2898230, 3566083, 7132166, 17830415, 35660830, 82019909, 164039818, 410099545, 820199090]

約数ペア:

[(1, 820199090), (2, 410099545), (5, 164039818), (10, 82019909), (23, 35660830), (46, 17830415), (115, 7132166), (230, 3566083), (283, 2898230), (566, 1449115), (1415, 579646), (2830, 289823), (6509, 126010), (12601, 65090), (13018, 63005), (25202, 32545)]