221025260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{269543}}^1$

素因数の和:269593

約数の個数: 24

約数和(自身を含む): 475475616

約数和(自身を除く): 254450356

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 269543, 539086, 1078172, 1347715, 2695430, 5390860, 11051263, 22102526, 44205052, 55256315, 110512630, 221025260]

約数ペア:

[(1, 221025260), (2, 110512630), (4, 55256315), (5, 44205052), (10, 22102526), (20, 11051263), (41, 5390860), (82, 2695430), (164, 1347715), (205, 1078172), (410, 539086), (820, 269543)]