87177740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{335299}}^1$

素因数の和:335321

約数の個数: 24

約数和(自身を含む): 197156400

約数和(自身を除く): 109978660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 335299, 670598, 1341196, 1676495, 3352990, 4358887, 6705980, 8717774, 17435548, 21794435, 43588870, 87177740]

約数ペア:

[(1, 87177740), (2, 43588870), (4, 21794435), (5, 17435548), (10, 8717774), (13, 6705980), (20, 4358887), (26, 3352990), (52, 1676495), (65, 1341196), (130, 670598), (260, 335299)]