79730720

素因数分解:

$2^5\times 5^1\times {\mathrm{547}}^1\times {\mathrm{911}}^1$

素因数の和:1473

約数の個数: 48

約数和(自身を含む): 188915328

約数和(自身を除く): 109184608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 547, 911, 1094, 1822, 2188, 2735, 3644, 4376, 4555, 5470, 7288, 8752, 9110, 10940, 14576, 17504, 18220, 21880, 29152, 36440, 43760, 72880, 87520, 145760, 498317, 996634, 1993268, 2491585, 3986536, 4983170, 7973072, 9966340, 15946144, 19932680, 39865360, 79730720]

約数ペア:

[(1, 79730720), (2, 39865360), (4, 19932680), (5, 15946144), (8, 9966340), (10, 7973072), (16, 4983170), (20, 3986536), (32, 2491585), (40, 1993268), (80, 996634), (160, 498317), (547, 145760), (911, 87520), (1094, 72880), (1822, 43760), (2188, 36440), (2735, 29152), (3644, 21880), (4376, 18220), (4555, 17504), (5470, 14576), (7288, 10940), (8752, 9110)]