219379640

素因数分解:

$2^3\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{4133}}^1$

素因数の和:5471

約数の個数: 32

約数和(自身を含む): 494095680

約数和(自身を除く): 274716040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1327, 2654, 4133, 5308, 6635, 8266, 10616, 13270, 16532, 20665, 26540, 33064, 41330, 53080, 82660, 165320, 5484491, 10968982, 21937964, 27422455, 43875928, 54844910, 109689820, 219379640]

約数ペア:

[(1, 219379640), (2, 109689820), (4, 54844910), (5, 43875928), (8, 27422455), (10, 21937964), (20, 10968982), (40, 5484491), (1327, 165320), (2654, 82660), (4133, 53080), (5308, 41330), (6635, 33064), (8266, 26540), (10616, 20665), (13270, 16532)]