28082840

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1913}}^1$

素因数の和:2291

約数の個数: 32

約数和(自身を含む): 63391680

約数和(自身を除く): 35308840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 1913, 2936, 3670, 3826, 7340, 7652, 9565, 14680, 15304, 19130, 38260, 76520, 702071, 1404142, 2808284, 3510355, 5616568, 7020710, 14041420, 28082840]

約数ペア:

[(1, 28082840), (2, 14041420), (4, 7020710), (5, 5616568), (8, 3510355), (10, 2808284), (20, 1404142), (40, 702071), (367, 76520), (734, 38260), (1468, 19130), (1835, 15304), (1913, 14680), (2936, 9565), (3670, 7652), (3826, 7340)]