22419340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 48787200

約数和(自身を除く): 26367860

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 131, 172, 199, 215, 262, 398, 430, 524, 655, 796, 860, 995, 1310, 1990, 2620, 3980, 5633, 8557, 11266, 17114, 22532, 26069, 28165, 34228, 42785, 52138, 56330, 85570, 104276, 112660, 130345, 171140, 260690, 521380, 1120967, 2241934, 4483868, 5604835, 11209670, 22419340]

約数ペア:

[(1, 22419340), (2, 11209670), (4, 5604835), (5, 4483868), (10, 2241934), (20, 1120967), (43, 521380), (86, 260690), (131, 171140), (172, 130345), (199, 112660), (215, 104276), (262, 85570), (398, 56330), (430, 52138), (524, 42785), (655, 34228), (796, 28165), (860, 26069), (995, 22532), (1310, 17114), (1990, 11266), (2620, 8557), (3980, 5633)]