3922840

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{971}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 8922960

約数和(自身を除く): 5000120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 971, 1010, 1942, 2020, 3884, 4040, 4855, 7768, 9710, 19420, 38840, 98071, 196142, 392284, 490355, 784568, 980710, 1961420, 3922840]

約数ペア:

[(1, 3922840), (2, 1961420), (4, 980710), (5, 784568), (8, 490355), (10, 392284), (20, 196142), (40, 98071), (101, 38840), (202, 19420), (404, 9710), (505, 7768), (808, 4855), (971, 4040), (1010, 3884), (1942, 2020)]