90129280

素因数分解:

$2^7\times 5^1\times {\mathrm{140827}}^1$

素因数の和:140846

約数の個数: 32

約数和(自身を含む): 215466840

約数和(自身を除く): 125337560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 140827, 281654, 563308, 704135, 1126616, 1408270, 2253232, 2816540, 4506464, 5633080, 9012928, 11266160, 18025856, 22532320, 45064640, 90129280]

約数ペア:

[(1, 90129280), (2, 45064640), (4, 22532320), (5, 18025856), (8, 11266160), (10, 9012928), (16, 5633080), (20, 4506464), (32, 2816540), (40, 2253232), (64, 1408270), (80, 1126616), (128, 704135), (160, 563308), (320, 281654), (640, 140827)]