254080451540

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{40075781}}^1$

素因数の和:40076107

約数の個数: 24

約数和(自身を含む): 535252144392

約数和(自身を除く): 281171692852

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 40075781, 80151562, 160303124, 200378905, 400757810, 801515620, 12704022577, 25408045154, 50816090308, 63520112885, 127040225770, 254080451540]

約数ペア:

[(1, 254080451540), (2, 127040225770), (4, 63520112885), (5, 50816090308), (10, 25408045154), (20, 12704022577), (317, 801515620), (634, 400757810), (1268, 200378905), (1585, 160303124), (3170, 80151562), (6340, 40075781)]