27159920

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1609}}^1$

素因数の和:1833

約数の個数: 40

約数和(自身を含む): 63485520

約数和(自身を除く): 36325600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1609, 1688, 2110, 3218, 3376, 4220, 6436, 8045, 8440, 12872, 16090, 16880, 25744, 32180, 64360, 128720, 339499, 678998, 1357996, 1697495, 2715992, 3394990, 5431984, 6789980, 13579960, 27159920]

約数ペア:

[(1, 27159920), (2, 13579960), (4, 6789980), (5, 5431984), (8, 3394990), (10, 2715992), (16, 1697495), (20, 1357996), (40, 678998), (80, 339499), (211, 128720), (422, 64360), (844, 32180), (1055, 25744), (1609, 16880), (1688, 16090), (2110, 12872), (3218, 8440), (3376, 8045), (4220, 6436)]