53748280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31249}}^1$

素因数の和:31303

約数の個数: 32

約数和(自身を含む): 123750000

約数和(自身を除く): 70001720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 31249, 62498, 124996, 156245, 249992, 312490, 624980, 1249960, 1343707, 2687414, 5374828, 6718535, 10749656, 13437070, 26874140, 53748280]

約数ペア:

[(1, 53748280), (2, 26874140), (4, 13437070), (5, 10749656), (8, 6718535), (10, 5374828), (20, 2687414), (40, 1343707), (43, 1249960), (86, 624980), (172, 312490), (215, 249992), (344, 156245), (430, 124996), (860, 62498), (1720, 31249)]