221793680

素因数分解:

$2^4\times 5^1\times {\mathrm{2772421}}^1$

素因数の和:2772434

約数の個数: 20

約数和(自身を含む): 515670492

約数和(自身を除く): 293876812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2772421, 5544842, 11089684, 13862105, 22179368, 27724210, 44358736, 55448420, 110896840, 221793680]

約数ペア:

[(1, 221793680), (2, 110896840), (4, 55448420), (5, 44358736), (8, 27724210), (10, 22179368), (16, 13862105), (20, 11089684), (40, 5544842), (80, 2772421)]