26921780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18959}}^1$

素因数の和:19039

約数の個数: 24

約数和(自身を含む): 57335040

約数和(自身を除く): 30413260

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18959, 37918, 75836, 94795, 189590, 379180, 1346089, 2692178, 5384356, 6730445, 13460890, 26921780]

約数ペア:

[(1, 26921780), (2, 13460890), (4, 6730445), (5, 5384356), (10, 2692178), (20, 1346089), (71, 379180), (142, 189590), (284, 94795), (355, 75836), (710, 37918), (1420, 18959)]