51556360

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9839}}^1$

素因数の和:9981

約数の個数: 32

約数和(自身を含む): 116899200

約数和(自身を除く): 65342840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 9839, 19678, 39356, 49195, 78712, 98390, 196780, 393560, 1288909, 2577818, 5155636, 6444545, 10311272, 12889090, 25778180, 51556360]

約数ペア:

[(1, 51556360), (2, 25778180), (4, 12889090), (5, 10311272), (8, 6444545), (10, 5155636), (20, 2577818), (40, 1288909), (131, 393560), (262, 196780), (524, 98390), (655, 78712), (1048, 49195), (1310, 39356), (2620, 19678), (5240, 9839)]