2021878415

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{1039}}^1\times {\mathrm{4373}}^1$

素因数の和:5506

約数の個数: 16

約数和(自身を含む): 2456438400

約数和(自身を除く): 434559985

約数列:

[1, 5, 89, 445, 1039, 4373, 5195, 21865, 92471, 389197, 462355, 1945985, 4543547, 22717735, 404375683, 2021878415]

約数ペア:

[(1, 2021878415), (5, 404375683), (89, 22717735), (445, 4543547), (1039, 1945985), (4373, 462355), (5195, 389197), (21865, 92471)]