40679120

素因数分解:

$2^4\times 5^1\times {\mathrm{508489}}^1$

素因数の和:508502

約数の個数: 20

約数和(自身を含む): 94579140

約数和(自身を除く): 53900020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508489, 1016978, 2033956, 2542445, 4067912, 5084890, 8135824, 10169780, 20339560, 40679120]

約数ペア:

[(1, 40679120), (2, 20339560), (4, 10169780), (5, 8135824), (8, 5084890), (10, 4067912), (16, 2542445), (20, 2033956), (40, 1016978), (80, 508489)]