51335600

素因数分解:

$2^4\times 5^2\times {\mathrm{128339}}^1$

素因数の和:128357

約数の個数: 30

約数和(自身を含む): 123334740

約数和(自身を除く): 71999140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 128339, 256678, 513356, 641695, 1026712, 1283390, 2053424, 2566780, 3208475, 5133560, 6416950, 10267120, 12833900, 25667800, 51335600]

約数ペア:

[(1, 51335600), (2, 25667800), (4, 12833900), (5, 10267120), (8, 6416950), (10, 5133560), (16, 3208475), (20, 2566780), (25, 2053424), (40, 1283390), (50, 1026712), (80, 641695), (100, 513356), (200, 256678), (400, 128339)]