8051960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 20952000

約数和(自身を除く): 12900040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 193, 280, 298, 386, 596, 745, 772, 965, 1043, 1192, 1351, 1490, 1544, 1930, 2086, 2702, 2980, 3860, 4172, 5215, 5404, 5960, 6755, 7720, 8344, 10430, 10808, 13510, 20860, 27020, 28757, 41720, 54040, 57514, 115028, 143785, 201299, 230056, 287570, 402598, 575140, 805196, 1006495, 1150280, 1610392, 2012990, 4025980, 8051960]

約数ペア:

[(1, 8051960), (2, 4025980), (4, 2012990), (5, 1610392), (7, 1150280), (8, 1006495), (10, 805196), (14, 575140), (20, 402598), (28, 287570), (35, 230056), (40, 201299), (56, 143785), (70, 115028), (140, 57514), (149, 54040), (193, 41720), (280, 28757), (298, 27020), (386, 20860), (596, 13510), (745, 10808), (772, 10430), (965, 8344), (1043, 7720), (1192, 6755), (1351, 5960), (1490, 5404), (1544, 5215), (1930, 4172), (2086, 3860), (2702, 2980)]