213883640

素因数分解:

$2^3\times 5^1\times {\mathrm{5347091}}^1$

素因数の和:5347102

約数の個数: 16

約数和(自身を含む): 481238280

約数和(自身を除く): 267354640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5347091, 10694182, 21388364, 26735455, 42776728, 53470910, 106941820, 213883640]

約数ペア:

[(1, 213883640), (2, 106941820), (4, 53470910), (5, 42776728), (8, 26735455), (10, 21388364), (20, 10694182), (40, 5347091)]