27691640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 66627360

約数和(自身を除く): 38935720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 193, 211, 340, 386, 422, 680, 772, 844, 965, 1055, 1544, 1688, 1930, 2110, 3281, 3587, 3860, 4220, 6562, 7174, 7720, 8440, 13124, 14348, 16405, 17935, 26248, 28696, 32810, 35870, 40723, 65620, 71740, 81446, 131240, 143480, 162892, 203615, 325784, 407230, 692291, 814460, 1384582, 1628920, 2769164, 3461455, 5538328, 6922910, 13845820, 27691640]

約数ペア:

[(1, 27691640), (2, 13845820), (4, 6922910), (5, 5538328), (8, 3461455), (10, 2769164), (17, 1628920), (20, 1384582), (34, 814460), (40, 692291), (68, 407230), (85, 325784), (136, 203615), (170, 162892), (193, 143480), (211, 131240), (340, 81446), (386, 71740), (422, 65620), (680, 40723), (772, 35870), (844, 32810), (965, 28696), (1055, 26248), (1544, 17935), (1688, 16405), (1930, 14348), (2110, 13124), (3281, 8440), (3587, 7720), (3860, 7174), (4220, 6562)]