42979220

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{5413}}^1$

素因数の和:5819

約数の個数: 24

約数和(自身を含む): 90500424

約数和(自身を除く): 47521204

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 5413, 7940, 10826, 21652, 27065, 54130, 108260, 2148961, 4297922, 8595844, 10744805, 21489610, 42979220]

約数ペア:

[(1, 42979220), (2, 21489610), (4, 10744805), (5, 8595844), (10, 4297922), (20, 2148961), (397, 108260), (794, 54130), (1588, 27065), (1985, 21652), (3970, 10826), (5413, 7940)]