71537920

素因数分解:

$2^8\times 5^1\times {\mathrm{55889}}^1$

素因数の和:55910

約数の個数: 36

約数和(自身を含む): 171358740

約数和(自身を除く): 99820820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 55889, 111778, 223556, 279445, 447112, 558890, 894224, 1117780, 1788448, 2235560, 3576896, 4471120, 7153792, 8942240, 14307584, 17884480, 35768960, 71537920]

約数ペア:

[(1, 71537920), (2, 35768960), (4, 17884480), (5, 14307584), (8, 8942240), (10, 7153792), (16, 4471120), (20, 3576896), (32, 2235560), (40, 1788448), (64, 1117780), (80, 894224), (128, 558890), (160, 447112), (256, 279445), (320, 223556), (640, 111778), (1280, 55889)]