28810960

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4339}}^1$

素因数の和:4435

約数の個数: 40

約数和(自身を含む): 67808160

約数和(自身を除く): 38997200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 4339, 6640, 8678, 17356, 21695, 34712, 43390, 69424, 86780, 173560, 347120, 360137, 720274, 1440548, 1800685, 2881096, 3601370, 5762192, 7202740, 14405480, 28810960]

約数ペア:

[(1, 28810960), (2, 14405480), (4, 7202740), (5, 5762192), (8, 3601370), (10, 2881096), (16, 1800685), (20, 1440548), (40, 720274), (80, 360137), (83, 347120), (166, 173560), (332, 86780), (415, 69424), (664, 43390), (830, 34712), (1328, 21695), (1660, 17356), (3320, 8678), (4339, 6640)]