261620005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{4339}}^1$

素因数の和:4764

約数の個数: 16

約数和(自身を含む): 324979200

約数和(自身を除く): 63359195

約数列:

[1, 5, 31, 155, 389, 1945, 4339, 12059, 21695, 60295, 134509, 672545, 1687871, 8439355, 52324001, 261620005]

約数ペア:

[(1, 261620005), (5, 52324001), (31, 8439355), (155, 1687871), (389, 672545), (1945, 134509), (4339, 60295), (12059, 21695)]