42734540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19603}}^1$

素因数の和:19721

約数の個数: 24

約数和(自身を含む): 90570480

約数和(自身を除く): 47835940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 19603, 39206, 78412, 98015, 196030, 392060, 2136727, 4273454, 8546908, 10683635, 21367270, 42734540]

約数ペア:

[(1, 42734540), (2, 21367270), (4, 10683635), (5, 8546908), (10, 4273454), (20, 2136727), (109, 392060), (218, 196030), (436, 98015), (545, 78412), (1090, 39206), (2180, 19603)]