40557560

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10039}}^1$

素因数の和:10151

約数の個数: 32

約数和(自身を含む): 92167200

約数和(自身を除く): 51609640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 10039, 20078, 40156, 50195, 80312, 100390, 200780, 401560, 1013939, 2027878, 4055756, 5069695, 8111512, 10139390, 20278780, 40557560]

約数ペア:

[(1, 40557560), (2, 20278780), (4, 10139390), (5, 8111512), (8, 5069695), (10, 4055756), (20, 2027878), (40, 1013939), (101, 401560), (202, 200780), (404, 100390), (505, 80312), (808, 50195), (1010, 40156), (2020, 20078), (4040, 10039)]