8417320

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1291}}^1$

素因数の和:1465

約数の個数: 32

約数和(自身を含む): 19069920

約数和(自身を除く): 10652600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1291, 1304, 1630, 2582, 3260, 5164, 6455, 6520, 10328, 12910, 25820, 51640, 210433, 420866, 841732, 1052165, 1683464, 2104330, 4208660, 8417320]

約数ペア:

[(1, 8417320), (2, 4208660), (4, 2104330), (5, 1683464), (8, 1052165), (10, 841732), (20, 420866), (40, 210433), (163, 51640), (326, 25820), (652, 12910), (815, 10328), (1291, 6520), (1304, 6455), (1630, 5164), (2582, 3260)]