16406975080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1741}}^1\times {\mathrm{5479}}^1$

素因数の和:7274

約数の個数: 64

約数和(自身を含む): 37802793600

約数和(自身を除く): 21395818520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1741, 3482, 5479, 6964, 8705, 10958, 13928, 17410, 21916, 27395, 34820, 43832, 54790, 69640, 74863, 109580, 149726, 219160, 235597, 299452, 374315, 471194, 598904, 748630, 942388, 1177985, 1497260, 1884776, 2355970, 2994520, 4711940, 9423880, 9538939, 19077878, 38155756, 47694695, 76311512, 95389390, 190778780, 381557560, 410174377, 820348754, 1640697508, 2050871885, 3281395016, 4101743770, 8203487540, 16406975080]

約数ペア:

[(1, 16406975080), (2, 8203487540), (4, 4101743770), (5, 3281395016), (8, 2050871885), (10, 1640697508), (20, 820348754), (40, 410174377), (43, 381557560), (86, 190778780), (172, 95389390), (215, 76311512), (344, 47694695), (430, 38155756), (860, 19077878), (1720, 9538939), (1741, 9423880), (3482, 4711940), (5479, 2994520), (6964, 2355970), (8705, 1884776), (10958, 1497260), (13928, 1177985), (17410, 942388), (21916, 748630), (27395, 598904), (34820, 471194), (43832, 374315), (54790, 299452), (69640, 235597), (74863, 219160), (109580, 149726)]