320124460

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{17417}}^1$

素因数の和:18345

約数の個数: 24

約数和(自身を含む): 673031520

約数和(自身を除く): 352907060

約数列:

[1, 2, 4, 5, 10, 20, 919, 1838, 3676, 4595, 9190, 17417, 18380, 34834, 69668, 87085, 174170, 348340, 16006223, 32012446, 64024892, 80031115, 160062230, 320124460]

約数ペア:

[(1, 320124460), (2, 160062230), (4, 80031115), (5, 64024892), (10, 32012446), (20, 16006223), (919, 348340), (1838, 174170), (3676, 87085), (4595, 69668), (9190, 34834), (17417, 18380)]