38964880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 95065344

約数和(自身を除く): 56100464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 172, 188, 215, 235, 241, 344, 376, 430, 470, 482, 688, 752, 860, 940, 964, 1205, 1720, 1880, 1928, 2021, 2410, 3440, 3760, 3856, 4042, 4820, 8084, 9640, 10105, 10363, 11327, 16168, 19280, 20210, 20726, 22654, 32336, 40420, 41452, 45308, 51815, 56635, 80840, 82904, 90616, 103630, 113270, 161680, 165808, 181232, 207260, 226540, 414520, 453080, 487061, 829040, 906160, 974122, 1948244, 2435305, 3896488, 4870610, 7792976, 9741220, 19482440, 38964880]

約数ペア:

[(1, 38964880), (2, 19482440), (4, 9741220), (5, 7792976), (8, 4870610), (10, 3896488), (16, 2435305), (20, 1948244), (40, 974122), (43, 906160), (47, 829040), (80, 487061), (86, 453080), (94, 414520), (172, 226540), (188, 207260), (215, 181232), (235, 165808), (241, 161680), (344, 113270), (376, 103630), (430, 90616), (470, 82904), (482, 80840), (688, 56635), (752, 51815), (860, 45308), (940, 41452), (964, 40420), (1205, 32336), (1720, 22654), (1880, 20726), (1928, 20210), (2021, 19280), (2410, 16168), (3440, 11327), (3760, 10363), (3856, 10105), (4042, 9640), (4820, 8084)]