51078640

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2053}}^1$

素因数の和:2377

約数の個数: 40

約数和(自身を含む): 119197728

約数和(自身を除く): 68119088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2053, 2488, 3110, 4106, 4976, 6220, 8212, 10265, 12440, 16424, 20530, 24880, 32848, 41060, 82120, 164240, 638483, 1276966, 2553932, 3192415, 5107864, 6384830, 10215728, 12769660, 25539320, 51078640]

約数ペア:

[(1, 51078640), (2, 25539320), (4, 12769660), (5, 10215728), (8, 6384830), (10, 5107864), (16, 3192415), (20, 2553932), (40, 1276966), (80, 638483), (311, 164240), (622, 82120), (1244, 41060), (1555, 32848), (2053, 24880), (2488, 20530), (3110, 16424), (4106, 12440), (4976, 10265), (6220, 8212)]