90459560

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{17807}}^1$

素因数の和:17945

約数の個数: 32

約数和(自身を含む): 205148160

約数和(自身を除く): 114688600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 17807, 35614, 71228, 89035, 142456, 178070, 356140, 712280, 2261489, 4522978, 9045956, 11307445, 18091912, 22614890, 45229780, 90459560]

約数ペア:

[(1, 90459560), (2, 45229780), (4, 22614890), (5, 18091912), (8, 11307445), (10, 9045956), (20, 4522978), (40, 2261489), (127, 712280), (254, 356140), (508, 178070), (635, 142456), (1016, 89035), (1270, 71228), (2540, 35614), (5080, 17807)]