77388440

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12323}}^1$

素因数の和:12491

約数の個数: 32

約数和(自身を含む): 175247280

約数和(自身を除く): 97858840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 12323, 24646, 49292, 61615, 98584, 123230, 246460, 492920, 1934711, 3869422, 7738844, 9673555, 15477688, 19347110, 38694220, 77388440]

約数ペア:

[(1, 77388440), (2, 38694220), (4, 19347110), (5, 15477688), (8, 9673555), (10, 7738844), (20, 3869422), (40, 1934711), (157, 492920), (314, 246460), (628, 123230), (785, 98584), (1256, 61615), (1570, 49292), (3140, 24646), (6280, 12323)]