42288440

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2663}}^1$

素因数の和:3071

約数の個数: 32

約数和(自身を含む): 95424480

約数和(自身を除く): 53136040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 2663, 3176, 3970, 5326, 7940, 10652, 13315, 15880, 21304, 26630, 53260, 106520, 1057211, 2114422, 4228844, 5286055, 8457688, 10572110, 21144220, 42288440]

約数ペア:

[(1, 42288440), (2, 21144220), (4, 10572110), (5, 8457688), (8, 5286055), (10, 4228844), (20, 2114422), (40, 1057211), (397, 106520), (794, 53260), (1588, 26630), (1985, 21304), (2663, 15880), (3176, 13315), (3970, 10652), (5326, 7940)]