28986940

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4721}}^1$

素因数の和:5037

約数の個数: 24

約数和(自身を含む): 61083792

約数和(自身を除く): 32096852

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 4721, 6140, 9442, 18884, 23605, 47210, 94420, 1449347, 2898694, 5797388, 7246735, 14493470, 28986940]

約数ペア:

[(1, 28986940), (2, 14493470), (4, 7246735), (5, 5797388), (10, 2898694), (20, 1449347), (307, 94420), (614, 47210), (1228, 23605), (1535, 18884), (3070, 9442), (4721, 6140)]