87097540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{39953}}^1$

素因数の和:40071

約数の個数: 24

約数和(自身を含む): 184587480

約数和(自身を除く): 97489940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 39953, 79906, 159812, 199765, 399530, 799060, 4354877, 8709754, 17419508, 21774385, 43548770, 87097540]

約数ペア:

[(1, 87097540), (2, 43548770), (4, 21774385), (5, 17419508), (10, 8709754), (20, 4354877), (109, 799060), (218, 399530), (436, 199765), (545, 159812), (1090, 79906), (2180, 39953)]