78780220

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{10733}}^1$

素因数の和:11109

約数の個数: 24

約数和(自身を含む): 165904704

約数和(自身を除く): 87124484

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 7340, 10733, 21466, 42932, 53665, 107330, 214660, 3939011, 7878022, 15756044, 19695055, 39390110, 78780220]

約数ペア:

[(1, 78780220), (2, 39390110), (4, 19695055), (5, 15756044), (10, 7878022), (20, 3939011), (367, 214660), (734, 107330), (1468, 53665), (1835, 42932), (3670, 21466), (7340, 10733)]