68595880

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{15733}}^1$

素因数の和:15853

約数の個数: 32

約数和(自身を含む): 155766600

約数和(自身を除く): 87170720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 15733, 31466, 62932, 78665, 125864, 157330, 314660, 629320, 1714897, 3429794, 6859588, 8574485, 13719176, 17148970, 34297940, 68595880]

約数ペア:

[(1, 68595880), (2, 34297940), (4, 17148970), (5, 13719176), (8, 8574485), (10, 6859588), (20, 3429794), (40, 1714897), (109, 629320), (218, 314660), (436, 157330), (545, 125864), (872, 78665), (1090, 62932), (2180, 31466), (4360, 15733)]