90855680

素因数分解:

$2^8\times 5^1\times {\mathrm{70981}}^1$

素因数の和:71002

約数の個数: 36

約数和(自身を含む): 217630812

約数和(自身を除く): 126775132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 70981, 141962, 283924, 354905, 567848, 709810, 1135696, 1419620, 2271392, 2839240, 4542784, 5678480, 9085568, 11356960, 18171136, 22713920, 45427840, 90855680]

約数ペア:

[(1, 90855680), (2, 45427840), (4, 22713920), (5, 18171136), (8, 11356960), (10, 9085568), (16, 5678480), (20, 4542784), (32, 2839240), (40, 2271392), (64, 1419620), (80, 1135696), (128, 709810), (160, 567848), (256, 354905), (320, 283924), (640, 141962), (1280, 70981)]