2054860

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 4354560

約数和(自身を除く): 2299700

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 809, 1270, 1618, 2540, 3236, 4045, 8090, 16180, 102743, 205486, 410972, 513715, 1027430, 2054860]

約数ペア:

[(1, 2054860), (2, 1027430), (4, 513715), (5, 410972), (10, 205486), (20, 102743), (127, 16180), (254, 8090), (508, 4045), (635, 3236), (809, 2540), (1270, 1618)]