27985780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34129}}^1$

素因数の和:34179

約数の個数: 24

約数和(自身を含む): 60205320

約数和(自身を除く): 32219540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 34129, 68258, 136516, 170645, 341290, 682580, 1399289, 2798578, 5597156, 6996445, 13992890, 27985780]

約数ペア:

[(1, 27985780), (2, 13992890), (4, 6996445), (5, 5597156), (10, 2798578), (20, 1399289), (41, 682580), (82, 341290), (164, 170645), (205, 136516), (410, 68258), (820, 34129)]