9480280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2663}}^1$

素因数の和:2763

約数の個数: 32

約数和(自身を含む): 21578400

約数和(自身を除く): 12098120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2663, 3560, 5326, 10652, 13315, 21304, 26630, 53260, 106520, 237007, 474014, 948028, 1185035, 1896056, 2370070, 4740140, 9480280]

約数ペア:

[(1, 9480280), (2, 4740140), (4, 2370070), (5, 1896056), (8, 1185035), (10, 948028), (20, 474014), (40, 237007), (89, 106520), (178, 53260), (356, 26630), (445, 21304), (712, 13315), (890, 10652), (1780, 5326), (2663, 3560)]