80298220

素因数分解:

$2^2\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{2423}}^1$

素因数の和:4089

約数の個数: 24

約数和(自身を含む): 168797664

約数和(自身を除く): 88499444

約数列:

[1, 2, 4, 5, 10, 20, 1657, 2423, 3314, 4846, 6628, 8285, 9692, 12115, 16570, 24230, 33140, 48460, 4014911, 8029822, 16059644, 20074555, 40149110, 80298220]

約数ペア:

[(1, 80298220), (2, 40149110), (4, 20074555), (5, 16059644), (10, 8029822), (20, 4014911), (1657, 48460), (2423, 33140), (3314, 24230), (4846, 16570), (6628, 12115), (8285, 9692)]