40851560

素因数分解:

$2^3\times 5^1\times {\mathrm{1021289}}^1$

素因数の和:1021300

約数の個数: 16

約数和(自身を含む): 91916100

約数和(自身を除く): 51064540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1021289, 2042578, 4085156, 5106445, 8170312, 10212890, 20425780, 40851560]

約数ペア:

[(1, 40851560), (2, 20425780), (4, 10212890), (5, 8170312), (8, 5106445), (10, 4085156), (20, 2042578), (40, 1021289)]