3887980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2663}}^1$

素因数の和:2745

約数の個数: 24

約数和(自身を含む): 8279712

約数和(自身を除く): 4391732

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 2663, 5326, 10652, 13315, 26630, 53260, 194399, 388798, 777596, 971995, 1943990, 3887980]

約数ペア:

[(1, 3887980), (2, 1943990), (4, 971995), (5, 777596), (10, 388798), (20, 194399), (73, 53260), (146, 26630), (292, 13315), (365, 10652), (730, 5326), (1460, 2663)]