154112680

素因数分解:

$2^3\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{2591}}^1$

素因数の和:4089

約数の個数: 32

約数和(自身を含む): 347120640

約数和(自身を除く): 193007960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1487, 2591, 2974, 5182, 5948, 7435, 10364, 11896, 12955, 14870, 20728, 25910, 29740, 51820, 59480, 103640, 3852817, 7705634, 15411268, 19264085, 30822536, 38528170, 77056340, 154112680]

約数ペア:

[(1, 154112680), (2, 77056340), (4, 38528170), (5, 30822536), (8, 19264085), (10, 15411268), (20, 7705634), (40, 3852817), (1487, 103640), (2591, 59480), (2974, 51820), (5182, 29740), (5948, 25910), (7435, 20728), (10364, 14870), (11896, 12955)]