84387640

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{14159}}^1$

素因数の和:14319

約数の個数: 32

約数和(自身を含む): 191160000

約数和(自身を除く): 106772360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 14159, 28318, 56636, 70795, 113272, 141590, 283180, 566360, 2109691, 4219382, 8438764, 10548455, 16877528, 21096910, 42193820, 84387640]

約数ペア:

[(1, 84387640), (2, 42193820), (4, 21096910), (5, 16877528), (8, 10548455), (10, 8438764), (20, 4219382), (40, 2109691), (149, 566360), (298, 283180), (596, 141590), (745, 113272), (1192, 70795), (1490, 56636), (2980, 28318), (5960, 14159)]