158554520

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{28517}}^1$

素因数の和:28667

約数の個数: 32

約数和(自身を含む): 359326800

約数和(自身を除く): 200772280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 28517, 57034, 114068, 142585, 228136, 285170, 570340, 1140680, 3963863, 7927726, 15855452, 19819315, 31710904, 39638630, 79277260, 158554520]

約数ペア:

[(1, 158554520), (2, 79277260), (4, 39638630), (5, 31710904), (8, 19819315), (10, 15855452), (20, 7927726), (40, 3963863), (139, 1140680), (278, 570340), (556, 285170), (695, 228136), (1112, 142585), (1390, 114068), (2780, 57034), (5560, 28517)]