85661440

素因数分解:

$2^8\times 5^1\times {\mathrm{66923}}^1$

素因数の和:66944

約数の個数: 36

約数和(自身を含む): 205188984

約数和(自身を除く): 119527544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 66923, 133846, 267692, 334615, 535384, 669230, 1070768, 1338460, 2141536, 2676920, 4283072, 5353840, 8566144, 10707680, 17132288, 21415360, 42830720, 85661440]

約数ペア:

[(1, 85661440), (2, 42830720), (4, 21415360), (5, 17132288), (8, 10707680), (10, 8566144), (16, 5353840), (20, 4283072), (32, 2676920), (40, 2141536), (64, 1338460), (80, 1070768), (128, 669230), (160, 535384), (256, 334615), (320, 267692), (640, 133846), (1280, 66923)]