15721662280

素因数分解:

$2^3\times 5^1\times {\mathrm{3347}}^1\times {\mathrm{117431}}^1$

素因数の和:120789

約数の個数: 32

約数和(自身を含む): 35384610240

約数和(自身を除く): 19662947960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3347, 6694, 13388, 16735, 26776, 33470, 66940, 117431, 133880, 234862, 469724, 587155, 939448, 1174310, 2348620, 4697240, 393041557, 786083114, 1572166228, 1965207785, 3144332456, 3930415570, 7860831140, 15721662280]

約数ペア:

[(1, 15721662280), (2, 7860831140), (4, 3930415570), (5, 3144332456), (8, 1965207785), (10, 1572166228), (20, 786083114), (40, 393041557), (3347, 4697240), (6694, 2348620), (13388, 1174310), (16735, 939448), (26776, 587155), (33470, 469724), (66940, 234862), (117431, 133880)]