8425180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 18579456

約数和(自身を除く): 10154276

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 127, 155, 214, 254, 310, 428, 508, 535, 620, 635, 1070, 1270, 2140, 2540, 3317, 3937, 6634, 7874, 13268, 13589, 15748, 16585, 19685, 27178, 33170, 39370, 54356, 66340, 67945, 78740, 135890, 271780, 421259, 842518, 1685036, 2106295, 4212590, 8425180]

約数ペア:

[(1, 8425180), (2, 4212590), (4, 2106295), (5, 1685036), (10, 842518), (20, 421259), (31, 271780), (62, 135890), (107, 78740), (124, 67945), (127, 66340), (155, 54356), (214, 39370), (254, 33170), (310, 27178), (428, 19685), (508, 16585), (535, 15748), (620, 13589), (635, 13268), (1070, 7874), (1270, 6634), (2140, 3937), (2540, 3317)]