254481520

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{10163}}^1$

素因数の和:10489

約数の個数: 40

約数和(自身を含む): 593618256

約数和(自身を除く): 339136736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 3130, 5008, 6260, 10163, 12520, 20326, 25040, 40652, 50815, 81304, 101630, 162608, 203260, 406520, 813040, 3181019, 6362038, 12724076, 15905095, 25448152, 31810190, 50896304, 63620380, 127240760, 254481520]

約数ペア:

[(1, 254481520), (2, 127240760), (4, 63620380), (5, 50896304), (8, 31810190), (10, 25448152), (16, 15905095), (20, 12724076), (40, 6362038), (80, 3181019), (313, 813040), (626, 406520), (1252, 203260), (1565, 162608), (2504, 101630), (3130, 81304), (5008, 50815), (6260, 40652), (10163, 25040), (12520, 20326)]