200712520

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{3911}}^1$

素因数の和:5205

約数の個数: 32

約数和(自身を含む): 452070720

約数和(自身を除く): 251358200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 2566, 3911, 5132, 6415, 7822, 10264, 12830, 15644, 19555, 25660, 31288, 39110, 51320, 78220, 156440, 5017813, 10035626, 20071252, 25089065, 40142504, 50178130, 100356260, 200712520]

約数ペア:

[(1, 200712520), (2, 100356260), (4, 50178130), (5, 40142504), (8, 25089065), (10, 20071252), (20, 10035626), (40, 5017813), (1283, 156440), (2566, 78220), (3911, 51320), (5132, 39110), (6415, 31288), (7822, 25660), (10264, 19555), (12830, 15644)]