91089920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17791}}^1$

素因数の和:17816

約数の個数: 44

約数和(自身を含む): 218521344

約数和(自身を除く): 127431424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 17791, 35582, 71164, 88955, 142328, 177910, 284656, 355820, 569312, 711640, 1138624, 1423280, 2277248, 2846560, 4554496, 5693120, 9108992, 11386240, 18217984, 22772480, 45544960, 91089920]

約数ペア:

[(1, 91089920), (2, 45544960), (4, 22772480), (5, 18217984), (8, 11386240), (10, 9108992), (16, 5693120), (20, 4554496), (32, 2846560), (40, 2277248), (64, 1423280), (80, 1138624), (128, 711640), (160, 569312), (256, 355820), (320, 284656), (512, 177910), (640, 142328), (1024, 88955), (1280, 71164), (2560, 35582), (5120, 17791)]