80820136

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1993}}^1$

素因数の和:2173

約数の個数: 32

約数和(自身を含む): 156848040

約数和(自身を除く): 76027904

約数列:

[1, 2, 4, 8, 37, 74, 137, 148, 274, 296, 548, 1096, 1993, 3986, 5069, 7972, 10138, 15944, 20276, 40552, 73741, 147482, 273041, 294964, 546082, 589928, 1092164, 2184328, 10102517, 20205034, 40410068, 80820136]

約数ペア:

[(1, 80820136), (2, 40410068), (4, 20205034), (8, 10102517), (37, 2184328), (74, 1092164), (137, 589928), (148, 546082), (274, 294964), (296, 273041), (548, 147482), (1096, 73741), (1993, 40552), (3986, 20276), (5069, 15944), (7972, 10138)]