8561920

素因数分解:

$2^8\times 5^1\times {\mathrm{6689}}^1$

素因数の和:6710

約数の個数: 36

約数和(自身を含む): 20511540

約数和(自身を除く): 11949620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 6689, 13378, 26756, 33445, 53512, 66890, 107024, 133780, 214048, 267560, 428096, 535120, 856192, 1070240, 1712384, 2140480, 4280960, 8561920]

約数ペア:

[(1, 8561920), (2, 4280960), (4, 2140480), (5, 1712384), (8, 1070240), (10, 856192), (16, 535120), (20, 428096), (32, 267560), (40, 214048), (64, 133780), (80, 107024), (128, 66890), (160, 53512), (256, 33445), (320, 26756), (640, 13378), (1280, 6689)]