27720590

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 51290496

約数和(自身を除く): 23569906

約数列:

[1, 2, 5, 10, 53, 106, 193, 265, 271, 386, 530, 542, 965, 1355, 1930, 2710, 10229, 14363, 20458, 28726, 51145, 52303, 71815, 102290, 104606, 143630, 261515, 523030, 2772059, 5544118, 13860295, 27720590]

約数ペア:

[(1, 27720590), (2, 13860295), (5, 5544118), (10, 2772059), (53, 523030), (106, 261515), (193, 143630), (265, 104606), (271, 102290), (386, 71815), (530, 52303), (542, 51145), (965, 28726), (1355, 20458), (1930, 14363), (2710, 10229)]