51874540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 111464640

約数和(自身を除く): 59590100

約数列:

[1, 2, 4, 5, 10, 20, 89, 151, 178, 193, 302, 356, 386, 445, 604, 755, 772, 890, 965, 1510, 1780, 1930, 3020, 3860, 13439, 17177, 26878, 29143, 34354, 53756, 58286, 67195, 68708, 85885, 116572, 134390, 145715, 171770, 268780, 291430, 343540, 582860, 2593727, 5187454, 10374908, 12968635, 25937270, 51874540]

約数ペア:

[(1, 51874540), (2, 25937270), (4, 12968635), (5, 10374908), (10, 5187454), (20, 2593727), (89, 582860), (151, 343540), (178, 291430), (193, 268780), (302, 171770), (356, 145715), (386, 134390), (445, 116572), (604, 85885), (755, 68708), (772, 67195), (890, 58286), (965, 53756), (1510, 34354), (1780, 29143), (1930, 26878), (3020, 17177), (3860, 13439)]