4047760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2663}}^1$

素因数の和:2695

約数の個数: 40

約数和(自身を含む): 9910080

約数和(自身を除く): 5862320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2663, 5326, 10652, 13315, 21304, 26630, 42608, 50597, 53260, 101194, 106520, 202388, 213040, 252985, 404776, 505970, 809552, 1011940, 2023880, 4047760]

約数ペア:

[(1, 4047760), (2, 2023880), (4, 1011940), (5, 809552), (8, 505970), (10, 404776), (16, 252985), (19, 213040), (20, 202388), (38, 106520), (40, 101194), (76, 53260), (80, 50597), (95, 42608), (152, 26630), (190, 21304), (304, 13315), (380, 10652), (760, 5326), (1520, 2663)]