47953460

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{21997}}^1$

素因数の和:22115

約数の個数: 24

約数和(自身を含む): 101630760

約数和(自身を除く): 53677300

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 21997, 43994, 87988, 109985, 219970, 439940, 2397673, 4795346, 9590692, 11988365, 23976730, 47953460]

約数ペア:

[(1, 47953460), (2, 23976730), (4, 11988365), (5, 9590692), (10, 4795346), (20, 2397673), (109, 439940), (218, 219970), (436, 109985), (545, 87988), (1090, 43994), (2180, 21997)]