8213528651660

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{836408213}}^1$

素因数の和:836408713

約数の個数: 24

約数和(自身を含む): 17283539334096

約数和(自身を除く): 9070010682436

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 836408213, 1672816426, 3345632852, 4182041065, 8364082130, 16728164260, 410676432583, 821352865166, 1642705730332, 2053382162915, 4106764325830, 8213528651660]

約数ペア:

[(1, 8213528651660), (2, 4106764325830), (4, 2053382162915), (5, 1642705730332), (10, 821352865166), (20, 410676432583), (491, 16728164260), (982, 8364082130), (1964, 4182041065), (2455, 3345632852), (4910, 1672816426), (9820, 836408213)]