2841680

素因数分解:

$2^4\times 5^1\times {\mathrm{35521}}^1$

素因数の和:35534

約数の個数: 20

約数和(自身を含む): 6607092

約数和(自身を除く): 3765412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 35521, 71042, 142084, 177605, 284168, 355210, 568336, 710420, 1420840, 2841680]

約数ペア:

[(1, 2841680), (2, 1420840), (4, 710420), (5, 568336), (8, 355210), (10, 284168), (16, 177605), (20, 142084), (40, 71042), (80, 35521)]