56211320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2971}}^1$

素因数の和:3036

約数の個数: 64

約数和(自身を含む): 141229440

約数和(自身を除く): 85018120

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, 1720, 1892, 2365, 2971, 3784, 4730, 5942, 9460, 11884, 14855, 18920, 23768, 29710, 32681, 59420, 65362, 118840, 127753, 130724, 163405, 255506, 261448, 326810, 511012, 638765, 653620, 1022024, 1277530, 1307240, 1405283, 2555060, 2810566, 5110120, 5621132, 7026415, 11242264, 14052830, 28105660, 56211320]

約数ペア:

[(1, 56211320), (2, 28105660), (4, 14052830), (5, 11242264), (8, 7026415), (10, 5621132), (11, 5110120), (20, 2810566), (22, 2555060), (40, 1405283), (43, 1307240), (44, 1277530), (55, 1022024), (86, 653620), (88, 638765), (110, 511012), (172, 326810), (215, 261448), (220, 255506), (344, 163405), (430, 130724), (440, 127753), (473, 118840), (860, 65362), (946, 59420), (1720, 32681), (1892, 29710), (2365, 23768), (2971, 18920), (3784, 14855), (4730, 11884), (5942, 9460)]