71122280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{37831}}^1$

素因数の和:37889

約数の個数: 32

約数和(自身を含む): 163434240

約数和(自身を除く): 92311960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 37831, 75662, 151324, 189155, 302648, 378310, 756620, 1513240, 1778057, 3556114, 7112228, 8890285, 14224456, 17780570, 35561140, 71122280]

約数ペア:

[(1, 71122280), (2, 35561140), (4, 17780570), (5, 14224456), (8, 8890285), (10, 7112228), (20, 3556114), (40, 1778057), (47, 1513240), (94, 756620), (188, 378310), (235, 302648), (376, 189155), (470, 151324), (940, 75662), (1880, 37831)]