64862680

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{10883}}^1$

素因数の和:11043

約数の個数: 32

約数和(自身を含む): 146934000

約数和(自身を除く): 82071320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 10883, 21766, 43532, 54415, 87064, 108830, 217660, 435320, 1621567, 3243134, 6486268, 8107835, 12972536, 16215670, 32431340, 64862680]

約数ペア:

[(1, 64862680), (2, 32431340), (4, 16215670), (5, 12972536), (8, 8107835), (10, 6486268), (20, 3243134), (40, 1621567), (149, 435320), (298, 217660), (596, 108830), (745, 87064), (1192, 54415), (1490, 43532), (2980, 21766), (5960, 10883)]