225256840

素因数分解:

$2^3\times 5^1\times {\mathrm{5631421}}^1$

素因数の和:5631432

約数の個数: 16

約数和(自身を含む): 506827980

約数和(自身を除く): 281571140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5631421, 11262842, 22525684, 28157105, 45051368, 56314210, 112628420, 225256840]

約数ペア:

[(1, 225256840), (2, 112628420), (4, 56314210), (5, 45051368), (8, 28157105), (10, 22525684), (20, 11262842), (40, 5631421)]