65215540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{250829}}^1$

素因数の和:250851

約数の個数: 24

約数和(自身を含む): 147488040

約数和(自身を除く): 82272500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 250829, 501658, 1003316, 1254145, 2508290, 3260777, 5016580, 6521554, 13043108, 16303885, 32607770, 65215540]

約数ペア:

[(1, 65215540), (2, 32607770), (4, 16303885), (5, 13043108), (10, 6521554), (13, 5016580), (20, 3260777), (26, 2508290), (52, 1254145), (65, 1003316), (130, 501658), (260, 250829)]