27831320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1536

約数の個数: 64

約数和(自身を含む): 69949440

約数和(自身を除く): 42118120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1471, 1720, 1892, 2365, 2942, 3784, 4730, 5884, 7355, 9460, 11768, 14710, 16181, 18920, 29420, 32362, 58840, 63253, 64724, 80905, 126506, 129448, 161810, 253012, 316265, 323620, 506024, 632530, 647240, 695783, 1265060, 1391566, 2530120, 2783132, 3478915, 5566264, 6957830, 13915660, 27831320]

約数ペア:

[(1, 27831320), (2, 13915660), (4, 6957830), (5, 5566264), (8, 3478915), (10, 2783132), (11, 2530120), (20, 1391566), (22, 1265060), (40, 695783), (43, 647240), (44, 632530), (55, 506024), (86, 323620), (88, 316265), (110, 253012), (172, 161810), (215, 129448), (220, 126506), (344, 80905), (430, 64724), (440, 63253), (473, 58840), (860, 32362), (946, 29420), (1471, 18920), (1720, 16181), (1892, 14710), (2365, 11768), (2942, 9460), (3784, 7355), (4730, 5884)]