900560

素因数分解:

$2^4\times 5^1\times {\mathrm{11257}}^1$

素因数の和:11270

約数の個数: 20

約数和(自身を含む): 2093988

約数和(自身を除く): 1193428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11257, 22514, 45028, 56285, 90056, 112570, 180112, 225140, 450280, 900560]

約数ペア:

[(1, 900560), (2, 450280), (4, 225140), (5, 180112), (8, 112570), (10, 90056), (16, 56285), (20, 45028), (40, 22514), (80, 11257)]