83992760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1039}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 197683200

約数和(自身を除く): 113690440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 940, 1039, 1720, 1880, 2021, 2078, 4042, 4156, 5195, 8084, 8312, 10105, 10390, 16168, 20210, 20780, 40420, 41560, 44677, 48833, 80840, 89354, 97666, 178708, 195332, 223385, 244165, 357416, 390664, 446770, 488330, 893540, 976660, 1787080, 1953320, 2099819, 4199638, 8399276, 10499095, 16798552, 20998190, 41996380, 83992760]

約数ペア:

[(1, 83992760), (2, 41996380), (4, 20998190), (5, 16798552), (8, 10499095), (10, 8399276), (20, 4199638), (40, 2099819), (43, 1953320), (47, 1787080), (86, 976660), (94, 893540), (172, 488330), (188, 446770), (215, 390664), (235, 357416), (344, 244165), (376, 223385), (430, 195332), (470, 178708), (860, 97666), (940, 89354), (1039, 80840), (1720, 48833), (1880, 44677), (2021, 41560), (2078, 40420), (4042, 20780), (4156, 20210), (5195, 16168), (8084, 10390), (8312, 10105)]