51468880

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3947}}^1$

素因数の和:4123

約数の個数: 40

約数和(自身を含む): 120429792

約数和(自身を除く): 68960912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 3947, 6520, 7894, 13040, 15788, 19735, 31576, 39470, 63152, 78940, 157880, 315760, 643361, 1286722, 2573444, 3216805, 5146888, 6433610, 10293776, 12867220, 25734440, 51468880]

約数ペア:

[(1, 51468880), (2, 25734440), (4, 12867220), (5, 10293776), (8, 6433610), (10, 5146888), (16, 3216805), (20, 2573444), (40, 1286722), (80, 643361), (163, 315760), (326, 157880), (652, 78940), (815, 63152), (1304, 39470), (1630, 31576), (2608, 19735), (3260, 15788), (3947, 13040), (6520, 7894)]