39885140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 86413824

約数和(自身を除く): 46528684

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 151, 188, 235, 281, 302, 470, 562, 604, 755, 940, 1124, 1405, 1510, 2810, 3020, 5620, 7097, 13207, 14194, 26414, 28388, 35485, 42431, 52828, 66035, 70970, 84862, 132070, 141940, 169724, 212155, 264140, 424310, 848620, 1994257, 3988514, 7977028, 9971285, 19942570, 39885140]

約数ペア:

[(1, 39885140), (2, 19942570), (4, 9971285), (5, 7977028), (10, 3988514), (20, 1994257), (47, 848620), (94, 424310), (151, 264140), (188, 212155), (235, 169724), (281, 141940), (302, 132070), (470, 84862), (562, 70970), (604, 66035), (755, 52828), (940, 42431), (1124, 35485), (1405, 28388), (1510, 26414), (2810, 14194), (3020, 13207), (5620, 7097)]