90772480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17729}}^1$

素因数の和:17754

約数の個数: 44

約数和(自身を含む): 217759860

約数和(自身を除く): 126987380

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, 17729, 35458, 70916, 88645, 141832, 177290, 283664, 354580, 567328, 709160, 1134656, 1418320, 2269312, 2836640, 4538624, 5673280, 9077248, 11346560, 18154496, 22693120, 45386240, 90772480]

約数ペア:

[(1, 90772480), (2, 45386240), (4, 22693120), (5, 18154496), (8, 11346560), (10, 9077248), (16, 5673280), (20, 4538624), (32, 2836640), (40, 2269312), (64, 1418320), (80, 1134656), (128, 709160), (160, 567328), (256, 354580), (320, 283664), (512, 177290), (640, 141832), (1024, 88645), (1280, 70916), (2560, 35458), (5120, 17729)]