3120280

素因数分解:

$2^3\times 5^1\times {\mathrm{78007}}^1$

素因数の和:78018

約数の個数: 16

約数和(自身を含む): 7020720

約数和(自身を除く): 3900440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 78007, 156014, 312028, 390035, 624056, 780070, 1560140, 3120280]

約数ペア:

[(1, 3120280), (2, 1560140), (4, 780070), (5, 624056), (8, 390035), (10, 312028), (20, 156014), (40, 78007)]