123510220

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{4153}}^1$

素因数の和:5649

約数の個数: 24

約数和(自身を含む): 259608384

約数和(自身を除く): 136098164

約数列:

[1, 2, 4, 5, 10, 20, 1487, 2974, 4153, 5948, 7435, 8306, 14870, 16612, 20765, 29740, 41530, 83060, 6175511, 12351022, 24702044, 30877555, 61755110, 123510220]

約数ペア:

[(1, 123510220), (2, 61755110), (4, 30877555), (5, 24702044), (10, 12351022), (20, 6175511), (1487, 83060), (2974, 41530), (4153, 29740), (5948, 20765), (7435, 16612), (8306, 14870)]