80452420

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{13103}}^1$

素因数の和:13419

約数の個数: 24

約数和(自身を含む): 169513344

約数和(自身を除く): 89060924

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 13103, 26206, 52412, 65515, 131030, 262060, 4022621, 8045242, 16090484, 20113105, 40226210, 80452420]

約数ペア:

[(1, 80452420), (2, 40226210), (4, 20113105), (5, 16090484), (10, 8045242), (20, 4022621), (307, 262060), (614, 131030), (1228, 65515), (1535, 52412), (3070, 26206), (6140, 13103)]