13222540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4211}}^1$

素因数の和:4377

約数の個数: 24

約数和(自身を含む): 27950832

約数和(自身を除く): 14728292

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 4211, 8422, 16844, 21055, 42110, 84220, 661127, 1322254, 2644508, 3305635, 6611270, 13222540]

約数ペア:

[(1, 13222540), (2, 6611270), (4, 3305635), (5, 2644508), (10, 1322254), (20, 661127), (157, 84220), (314, 42110), (628, 21055), (785, 16844), (1570, 8422), (3140, 4211)]