1038860

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 2204160

約数和(自身を除く): 1165300

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 409, 508, 635, 818, 1270, 1636, 2045, 2540, 4090, 8180, 51943, 103886, 207772, 259715, 519430, 1038860]

約数ペア:

[(1, 1038860), (2, 519430), (4, 259715), (5, 207772), (10, 103886), (20, 51943), (127, 8180), (254, 4090), (409, 2540), (508, 2045), (635, 1636), (818, 1270)]