68580440

素因数分解:

$2^3\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{1487}}^1$

素因数の和:2651

約数の個数: 32

約数和(自身を含む): 154543680

約数和(自身を除く): 85963240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1153, 1487, 2306, 2974, 4612, 5765, 5948, 7435, 9224, 11530, 11896, 14870, 23060, 29740, 46120, 59480, 1714511, 3429022, 6858044, 8572555, 13716088, 17145110, 34290220, 68580440]

約数ペア:

[(1, 68580440), (2, 34290220), (4, 17145110), (5, 13716088), (8, 8572555), (10, 6858044), (20, 3429022), (40, 1714511), (1153, 59480), (1487, 46120), (2306, 29740), (2974, 23060), (4612, 14870), (5765, 11896), (5948, 11530), (7435, 9224)]