1365940

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 2892960

約数和(自身を除く): 1527020

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 419, 652, 815, 838, 1630, 1676, 2095, 3260, 4190, 8380, 68297, 136594, 273188, 341485, 682970, 1365940]

約数ペア:

[(1, 1365940), (2, 682970), (4, 341485), (5, 273188), (10, 136594), (20, 68297), (163, 8380), (326, 4190), (419, 3260), (652, 2095), (815, 1676), (838, 1630)]