51456040

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{7703}}^1$

素因数の和:7881

約数の個数: 32

約数和(自身を含む): 116484480

約数和(自身を除く): 65028440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 7703, 15406, 30812, 38515, 61624, 77030, 154060, 308120, 1286401, 2572802, 5145604, 6432005, 10291208, 12864010, 25728020, 51456040]

約数ペア:

[(1, 51456040), (2, 25728020), (4, 12864010), (5, 10291208), (8, 6432005), (10, 5145604), (20, 2572802), (40, 1286401), (167, 308120), (334, 154060), (668, 77030), (835, 61624), (1336, 38515), (1670, 30812), (3340, 15406), (6680, 7703)]