105723920

素因数分解:

$2^4\times 5^1\times {\mathrm{1321549}}^1$

素因数の和:1321562

約数の個数: 20

約数和(自身を含む): 245808300

約数和(自身を除く): 140084380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1321549, 2643098, 5286196, 6607745, 10572392, 13215490, 21144784, 26430980, 52861960, 105723920]

約数ペア:

[(1, 105723920), (2, 52861960), (4, 26430980), (5, 21144784), (8, 13215490), (10, 10572392), (16, 6607745), (20, 5286196), (40, 2643098), (80, 1321549)]