30790840

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4903}}^1$

素因数の和:5071

約数の個数: 32

約数和(自身を含む): 69734880

約数和(自身を除く): 38944040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 4903, 6280, 9806, 19612, 24515, 39224, 49030, 98060, 196120, 769771, 1539542, 3079084, 3848855, 6158168, 7697710, 15395420, 30790840]

約数ペア:

[(1, 30790840), (2, 15395420), (4, 7697710), (5, 6158168), (8, 3848855), (10, 3079084), (20, 1539542), (40, 769771), (157, 196120), (314, 98060), (628, 49030), (785, 39224), (1256, 24515), (1570, 19612), (3140, 9806), (4903, 6280)]