43987280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 110320320

約数和(自身を除く): 66333040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 673, 688, 760, 817, 860, 1346, 1520, 1634, 1720, 2692, 3268, 3365, 3440, 4085, 5384, 6536, 6730, 8170, 10768, 12787, 13072, 13460, 16340, 25574, 26920, 28939, 32680, 51148, 53840, 57878, 63935, 65360, 102296, 115756, 127870, 144695, 204592, 231512, 255740, 289390, 463024, 511480, 549841, 578780, 1022960, 1099682, 1157560, 2199364, 2315120, 2749205, 4398728, 5498410, 8797456, 10996820, 21993640, 43987280]

約数ペア:

[(1, 43987280), (2, 21993640), (4, 10996820), (5, 8797456), (8, 5498410), (10, 4398728), (16, 2749205), (19, 2315120), (20, 2199364), (38, 1157560), (40, 1099682), (43, 1022960), (76, 578780), (80, 549841), (86, 511480), (95, 463024), (152, 289390), (172, 255740), (190, 231512), (215, 204592), (304, 144695), (344, 127870), (380, 115756), (430, 102296), (673, 65360), (688, 63935), (760, 57878), (817, 53840), (860, 51148), (1346, 32680), (1520, 28939), (1634, 26920), (1720, 25574), (2692, 16340), (3268, 13460), (3365, 13072), (3440, 12787), (4085, 10768), (5384, 8170), (6536, 6730)]