26780210

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 49420800

約数和(自身を除く): 22640590

約数列:

[1, 2, 5, 10, 79, 109, 158, 218, 311, 395, 545, 622, 790, 1090, 1555, 3110, 8611, 17222, 24569, 33899, 43055, 49138, 67798, 86110, 122845, 169495, 245690, 338990, 2678021, 5356042, 13390105, 26780210]

約数ペア:

[(1, 26780210), (2, 13390105), (5, 5356042), (10, 2678021), (79, 338990), (109, 245690), (158, 169495), (218, 122845), (311, 86110), (395, 67798), (545, 49138), (622, 43055), (790, 33899), (1090, 24569), (1555, 17222), (3110, 8611)]