80435800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 196416000

約数和(自身を除く): 115980200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 47, 50, 86, 94, 100, 172, 188, 199, 200, 215, 235, 344, 376, 398, 430, 470, 796, 860, 940, 995, 1075, 1175, 1592, 1720, 1880, 1990, 2021, 2150, 2350, 3980, 4042, 4300, 4700, 4975, 7960, 8084, 8557, 8600, 9353, 9400, 9950, 10105, 16168, 17114, 18706, 19900, 20210, 34228, 37412, 39800, 40420, 42785, 46765, 50525, 68456, 74824, 80840, 85570, 93530, 101050, 171140, 187060, 202100, 213925, 233825, 342280, 374120, 402179, 404200, 427850, 467650, 804358, 855700, 935300, 1608716, 1711400, 1870600, 2010895, 3217432, 4021790, 8043580, 10054475, 16087160, 20108950, 40217900, 80435800]

約数ペア:

[(1, 80435800), (2, 40217900), (4, 20108950), (5, 16087160), (8, 10054475), (10, 8043580), (20, 4021790), (25, 3217432), (40, 2010895), (43, 1870600), (47, 1711400), (50, 1608716), (86, 935300), (94, 855700), (100, 804358), (172, 467650), (188, 427850), (199, 404200), (200, 402179), (215, 374120), (235, 342280), (344, 233825), (376, 213925), (398, 202100), (430, 187060), (470, 171140), (796, 101050), (860, 93530), (940, 85570), (995, 80840), (1075, 74824), (1175, 68456), (1592, 50525), (1720, 46765), (1880, 42785), (1990, 40420), (2021, 39800), (2150, 37412), (2350, 34228), (3980, 20210), (4042, 19900), (4300, 18706), (4700, 17114), (4975, 16168), (7960, 10105), (8084, 9950), (8557, 9400), (8600, 9353)]