90083920

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{11149}}^1$

素因数の和:11263

約数の個数: 40

約数和(自身を含む): 211537800

約数和(自身を除く): 121453880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 11149, 22298, 44596, 55745, 89192, 111490, 178384, 222980, 445960, 891920, 1126049, 2252098, 4504196, 5630245, 9008392, 11260490, 18016784, 22520980, 45041960, 90083920]

約数ペア:

[(1, 90083920), (2, 45041960), (4, 22520980), (5, 18016784), (8, 11260490), (10, 9008392), (16, 5630245), (20, 4504196), (40, 2252098), (80, 1126049), (101, 891920), (202, 445960), (404, 222980), (505, 178384), (808, 111490), (1010, 89192), (1616, 55745), (2020, 44596), (4040, 22298), (8080, 11149)]