4081780

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1607}}^1$

素因数の和:1743

約数の個数: 24

約数和(自身を含む): 8644608

約数和(自身を除く): 4562828

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 1607, 2540, 3214, 6428, 8035, 16070, 32140, 204089, 408178, 816356, 1020445, 2040890, 4081780]

約数ペア:

[(1, 4081780), (2, 2040890), (4, 1020445), (5, 816356), (10, 408178), (20, 204089), (127, 32140), (254, 16070), (508, 8035), (635, 6428), (1270, 3214), (1607, 2540)]