87463120

素因数分解:

$2^4\times 5^1\times {\mathrm{1093289}}^1$

素因数の和:1093302

約数の個数: 20

約数和(自身を含む): 203351940

約数和(自身を除く): 115888820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1093289, 2186578, 4373156, 5466445, 8746312, 10932890, 17492624, 21865780, 43731560, 87463120]

約数ペア:

[(1, 87463120), (2, 43731560), (4, 21865780), (5, 17492624), (8, 10932890), (10, 8746312), (16, 5466445), (20, 4373156), (40, 2186578), (80, 1093289)]