28282960

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1013}}^1$

素因数の和:1375

約数の個数: 40

約数和(自身を含む): 66011400

約数和(自身を除く): 37728440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1013, 1396, 1745, 2026, 2792, 3490, 4052, 5065, 5584, 6980, 8104, 10130, 13960, 16208, 20260, 27920, 40520, 81040, 353537, 707074, 1414148, 1767685, 2828296, 3535370, 5656592, 7070740, 14141480, 28282960]

約数ペア:

[(1, 28282960), (2, 14141480), (4, 7070740), (5, 5656592), (8, 3535370), (10, 2828296), (16, 1767685), (20, 1414148), (40, 707074), (80, 353537), (349, 81040), (698, 40520), (1013, 27920), (1396, 20260), (1745, 16208), (2026, 13960), (2792, 10130), (3490, 8104), (4052, 6980), (5065, 5584)]