165069640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{87803}}^1$

素因数の和:87861

約数の個数: 32

約数和(自身を含む): 379313280

約数和(自身を除く): 214243640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 87803, 175606, 351212, 439015, 702424, 878030, 1756060, 3512120, 4126741, 8253482, 16506964, 20633705, 33013928, 41267410, 82534820, 165069640]

約数ペア:

[(1, 165069640), (2, 82534820), (4, 41267410), (5, 33013928), (8, 20633705), (10, 16506964), (20, 8253482), (40, 4126741), (47, 3512120), (94, 1756060), (188, 878030), (235, 702424), (376, 439015), (470, 351212), (940, 175606), (1880, 87803)]