2810960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:911

約数の個数: 40

約数和(自身を含む): 6702696

約数和(自身を除く): 3891736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 857, 1640, 1714, 3280, 3428, 4285, 6856, 8570, 13712, 17140, 34280, 35137, 68560, 70274, 140548, 175685, 281096, 351370, 562192, 702740, 1405480, 2810960]

約数ペア:

[(1, 2810960), (2, 1405480), (4, 702740), (5, 562192), (8, 351370), (10, 281096), (16, 175685), (20, 140548), (40, 70274), (41, 68560), (80, 35137), (82, 34280), (164, 17140), (205, 13712), (328, 8570), (410, 6856), (656, 4285), (820, 3428), (857, 3280), (1640, 1714)]