30875120

素因数分解:

$2^4\times 5^1\times {\mathrm{385939}}^1$

素因数の和:385952

約数の個数: 20

約数和(自身を含む): 71784840

約数和(自身を除く): 40909720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 385939, 771878, 1543756, 1929695, 3087512, 3859390, 6175024, 7718780, 15437560, 30875120]

約数ペア:

[(1, 30875120), (2, 15437560), (4, 7718780), (5, 6175024), (8, 3859390), (10, 3087512), (16, 1929695), (20, 1543756), (40, 771878), (80, 385939)]