15571240

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2017}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 35234280

約数和(自身を除く): 19663040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 2017, 3860, 4034, 7720, 8068, 10085, 16136, 20170, 40340, 80680, 389281, 778562, 1557124, 1946405, 3114248, 3892810, 7785620, 15571240]

約数ペア:

[(1, 15571240), (2, 7785620), (4, 3892810), (5, 3114248), (8, 1946405), (10, 1557124), (20, 778562), (40, 389281), (193, 80680), (386, 40340), (772, 20170), (965, 16136), (1544, 10085), (1930, 8068), (2017, 7720), (3860, 4034)]