156987194380

素因数分解:

$2^2\times 5^1\times {\mathrm{20113}}^1\times {\mathrm{390263}}^1$

素因数の和:410385

約数の個数: 24

約数和(自身を含む): 329690344032

約数和(自身を除く): 172703149652

約数列:

[1, 2, 4, 5, 10, 20, 20113, 40226, 80452, 100565, 201130, 390263, 402260, 780526, 1561052, 1951315, 3902630, 7805260, 7849359719, 15698719438, 31397438876, 39246798595, 78493597190, 156987194380]

約数ペア:

[(1, 156987194380), (2, 78493597190), (4, 39246798595), (5, 31397438876), (10, 15698719438), (20, 7849359719), (20113, 7805260), (40226, 3902630), (80452, 1951315), (100565, 1561052), (201130, 780526), (390263, 402260)]