47805220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{21929}}^1$

素因数の和:22047

約数の個数: 24

約数和(自身を含む): 101316600

約数和(自身を除く): 53511380

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 21929, 43858, 87716, 109645, 219290, 438580, 2390261, 4780522, 9561044, 11951305, 23902610, 47805220]

約数ペア:

[(1, 47805220), (2, 23902610), (4, 11951305), (5, 9561044), (10, 4780522), (20, 2390261), (109, 438580), (218, 219290), (436, 109645), (545, 87716), (1090, 43858), (2180, 21929)]