137020120

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{15361}}^1$

素因数の和:15595

約数の個数: 32

約数和(自身を含む): 309697920

約数和(自身を除く): 172677800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 15361, 30722, 61444, 76805, 122888, 153610, 307220, 614440, 3425503, 6851006, 13702012, 17127515, 27404024, 34255030, 68510060, 137020120]

約数ペア:

[(1, 137020120), (2, 68510060), (4, 34255030), (5, 27404024), (8, 17127515), (10, 13702012), (20, 6851006), (40, 3425503), (223, 614440), (446, 307220), (892, 153610), (1115, 122888), (1784, 76805), (2230, 61444), (4460, 30722), (8920, 15361)]