51642440

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{2269}}^1$

素因数の和:2849

約数の個数: 32

約数和(自身を含む): 116451000

約数和(自身を除く): 64808560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2269, 2276, 2845, 4538, 4552, 5690, 9076, 11345, 11380, 18152, 22690, 22760, 45380, 90760, 1291061, 2582122, 5164244, 6455305, 10328488, 12910610, 25821220, 51642440]

約数ペア:

[(1, 51642440), (2, 25821220), (4, 12910610), (5, 10328488), (8, 6455305), (10, 5164244), (20, 2582122), (40, 1291061), (569, 90760), (1138, 45380), (2269, 22760), (2276, 22690), (2845, 18152), (4538, 11380), (4552, 11345), (5690, 9076)]