28410280

素因数分解:

$2^3\times 5^1\times {\mathrm{710257}}^1$

素因数の和:710268

約数の個数: 16

約数和(自身を含む): 63923220

約数和(自身を除く): 35512940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 710257, 1420514, 2841028, 3551285, 5682056, 7102570, 14205140, 28410280]

約数ペア:

[(1, 28410280), (2, 14205140), (4, 7102570), (5, 5682056), (8, 3551285), (10, 2841028), (20, 1420514), (40, 710257)]