16087160

素因数分解:

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

素因数の和:300

約数の個数: 64

約数和(自身を含む): 38016000

約数和(自身を除く): 21928840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 199, 215, 235, 344, 376, 398, 430, 470, 796, 860, 940, 995, 1592, 1720, 1880, 1990, 2021, 3980, 4042, 7960, 8084, 8557, 9353, 10105, 16168, 17114, 18706, 20210, 34228, 37412, 40420, 42785, 46765, 68456, 74824, 80840, 85570, 93530, 171140, 187060, 342280, 374120, 402179, 804358, 1608716, 2010895, 3217432, 4021790, 8043580, 16087160]

約数ペア:

[(1, 16087160), (2, 8043580), (4, 4021790), (5, 3217432), (8, 2010895), (10, 1608716), (20, 804358), (40, 402179), (43, 374120), (47, 342280), (86, 187060), (94, 171140), (172, 93530), (188, 85570), (199, 80840), (215, 74824), (235, 68456), (344, 46765), (376, 42785), (398, 40420), (430, 37412), (470, 34228), (796, 20210), (860, 18706), (940, 17114), (995, 16168), (1592, 10105), (1720, 9353), (1880, 8557), (1990, 8084), (2021, 7960), (3980, 4042)]