251018992220

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{65030827}}^1$

素因数の和:65031029

約数の個数: 24

約数和(自身を含む): 529871186544

約数和(自身を除く): 278852194324

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 65030827, 130061654, 260123308, 325154135, 650308270, 1300616540, 12550949611, 25101899222, 50203798444, 62754748055, 125509496110, 251018992220]

約数ペア:

[(1, 251018992220), (2, 125509496110), (4, 62754748055), (5, 50203798444), (10, 25101899222), (20, 12550949611), (193, 1300616540), (386, 650308270), (772, 325154135), (965, 260123308), (1930, 130061654), (3860, 65030827)]