2810920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{10039}}^1$

素因数の和:10057

約数の個数: 32

約数和(自身を含む): 7228800

約数和(自身を除く): 4417880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 10039, 20078, 40156, 50195, 70273, 80312, 100390, 140546, 200780, 281092, 351365, 401560, 562184, 702730, 1405460, 2810920]

約数ペア:

[(1, 2810920), (2, 1405460), (4, 702730), (5, 562184), (7, 401560), (8, 351365), (10, 281092), (14, 200780), (20, 140546), (28, 100390), (35, 80312), (40, 70273), (56, 50195), (70, 40156), (140, 20078), (280, 10039)]