51452080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14957}}^1$

素因数の和:15013

約数の個数: 40

約数和(自身を含む): 122416272

約数和(自身を除く): 70964192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 14957, 29914, 59828, 74785, 119656, 149570, 239312, 299140, 598280, 643151, 1196560, 1286302, 2572604, 3215755, 5145208, 6431510, 10290416, 12863020, 25726040, 51452080]

約数ペア:

[(1, 51452080), (2, 25726040), (4, 12863020), (5, 10290416), (8, 6431510), (10, 5145208), (16, 3215755), (20, 2572604), (40, 1286302), (43, 1196560), (80, 643151), (86, 598280), (172, 299140), (215, 239312), (344, 149570), (430, 119656), (688, 74785), (860, 59828), (1720, 29914), (3440, 14957)]