47661340

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{21863}}^1$

素因数の和:21981

約数の個数: 24

約数和(自身を含む): 101011680

約数和(自身を除く): 53350340

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 21863, 43726, 87452, 109315, 218630, 437260, 2383067, 4766134, 9532268, 11915335, 23830670, 47661340]

約数ペア:

[(1, 47661340), (2, 23830670), (4, 11915335), (5, 9532268), (10, 4766134), (20, 2383067), (109, 437260), (218, 218630), (436, 109315), (545, 87452), (1090, 43726), (2180, 21863)]