40654390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1493}}^1$

素因数の和:1896

約数の個数: 32

約数和(自身を含む): 83903040

約数和(自身を除く): 43248650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 389, 778, 1493, 1945, 2723, 2986, 3890, 5446, 7465, 10451, 13615, 14930, 20902, 27230, 52255, 104510, 580777, 1161554, 2903885, 4065439, 5807770, 8130878, 20327195, 40654390]

約数ペア:

[(1, 40654390), (2, 20327195), (5, 8130878), (7, 5807770), (10, 4065439), (14, 2903885), (35, 1161554), (70, 580777), (389, 104510), (778, 52255), (1493, 27230), (1945, 20902), (2723, 14930), (2986, 13615), (3890, 10451), (5446, 7465)]