90125120

素因数分解:

$2^6\times 5^1\times {\mathrm{281641}}^1$

素因数の和:281658

約数の個数: 28

約数和(自身を含む): 214611204

約数和(自身を除く): 124486084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 281641, 563282, 1126564, 1408205, 2253128, 2816410, 4506256, 5632820, 9012512, 11265640, 18025024, 22531280, 45062560, 90125120]

約数ペア:

[(1, 90125120), (2, 45062560), (4, 22531280), (5, 18025024), (8, 11265640), (10, 9012512), (16, 5632820), (20, 4506256), (32, 2816410), (40, 2253128), (64, 1408205), (80, 1126564), (160, 563282), (320, 281641)]