79702760

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4969}}^1$

素因数の和:5381

約数の個数: 32

約数和(自身を含む): 179814600

約数和(自身を除く): 100111840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 4969, 8020, 9938, 16040, 19876, 24845, 39752, 49690, 99380, 198760, 1992569, 3985138, 7970276, 9962845, 15940552, 19925690, 39851380, 79702760]

約数ペア:

[(1, 79702760), (2, 39851380), (4, 19925690), (5, 15940552), (8, 9962845), (10, 7970276), (20, 3985138), (40, 1992569), (401, 198760), (802, 99380), (1604, 49690), (2005, 39752), (3208, 24845), (4010, 19876), (4969, 16040), (8020, 9938)]