1728375980

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{159739}}^1$

素因数の和:160289

約数の個数: 24

約数和(自身を含む): 3636321360

約数和(自身を除く): 1907945380

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 5410, 10820, 159739, 319478, 638956, 798695, 1597390, 3194780, 86418799, 172837598, 345675196, 432093995, 864187990, 1728375980]

約数ペア:

[(1, 1728375980), (2, 864187990), (4, 432093995), (5, 345675196), (10, 172837598), (20, 86418799), (541, 3194780), (1082, 1597390), (2164, 798695), (2705, 638956), (5410, 319478), (10820, 159739)]