79933520

素因数分解:

$2^4\times 5^1\times {\mathrm{999169}}^1$

素因数の和:999182

約数の個数: 20

約数和(自身を含む): 185845620

約数和(自身を除く): 105912100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 999169, 1998338, 3996676, 4995845, 7993352, 9991690, 15986704, 19983380, 39966760, 79933520]

約数ペア:

[(1, 79933520), (2, 39966760), (4, 19983380), (5, 15986704), (8, 9991690), (10, 7993352), (16, 4995845), (20, 3996676), (40, 1998338), (80, 999169)]