51178760

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{5309}}^1$

素因数の和:5561

約数の個数: 32

約数和(自身を含む): 115651800

約数和(自身を除く): 64473040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 5309, 9640, 10618, 21236, 26545, 42472, 53090, 106180, 212360, 1279469, 2558938, 5117876, 6397345, 10235752, 12794690, 25589380, 51178760]

約数ペア:

[(1, 51178760), (2, 25589380), (4, 12794690), (5, 10235752), (8, 6397345), (10, 5117876), (20, 2558938), (40, 1279469), (241, 212360), (482, 106180), (964, 53090), (1205, 42472), (1928, 26545), (2410, 21236), (4820, 10618), (5309, 9640)]