28986820

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{6329}}^1$

素因数の和:6567

約数の個数: 24

約数和(自身を含む): 61147800

約数和(自身を除く): 32160980

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 6329, 12658, 25316, 31645, 63290, 126580, 1449341, 2898682, 5797364, 7246705, 14493410, 28986820]

約数ペア:

[(1, 28986820), (2, 14493410), (4, 7246705), (5, 5797364), (10, 2898682), (20, 1449341), (229, 126580), (458, 63290), (916, 31645), (1145, 25316), (2290, 12658), (4580, 6329)]