90722560

素因数分解:

$2^8\times 5^1\times {\mathrm{70877}}^1$

素因数の和:70898

約数の個数: 36

約数和(自身を含む): 217311948

約数和(自身を除く): 126589388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 70877, 141754, 283508, 354385, 567016, 708770, 1134032, 1417540, 2268064, 2835080, 4536128, 5670160, 9072256, 11340320, 18144512, 22680640, 45361280, 90722560]

約数ペア:

[(1, 90722560), (2, 45361280), (4, 22680640), (5, 18144512), (8, 11340320), (10, 9072256), (16, 5670160), (20, 4536128), (32, 2835080), (40, 2268064), (64, 1417540), (80, 1134032), (128, 708770), (160, 567016), (256, 354385), (320, 283508), (640, 141754), (1280, 70877)]