39281920

素因数分解:

$2^8\times 5^1\times {\mathrm{30689}}^1$

素因数の和:30710

約数の個数: 36

約数和(自身を含む): 94095540

約数和(自身を除く): 54813620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 30689, 61378, 122756, 153445, 245512, 306890, 491024, 613780, 982048, 1227560, 1964096, 2455120, 3928192, 4910240, 7856384, 9820480, 19640960, 39281920]

約数ペア:

[(1, 39281920), (2, 19640960), (4, 9820480), (5, 7856384), (8, 4910240), (10, 3928192), (16, 2455120), (20, 1964096), (32, 1227560), (40, 982048), (64, 613780), (80, 491024), (128, 306890), (160, 245512), (256, 153445), (320, 122756), (640, 61378), (1280, 30689)]