80683840

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2833}}^1$

素因数の和:2939

約数の個数: 56

約数和(自身を含む): 194355720

約数和(自身を除く): 113671880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2833, 2848, 3560, 5666, 5696, 7120, 11332, 14165, 14240, 22664, 28330, 28480, 45328, 56660, 90656, 113320, 181312, 226640, 252137, 453280, 504274, 906560, 1008548, 1260685, 2017096, 2521370, 4034192, 5042740, 8068384, 10085480, 16136768, 20170960, 40341920, 80683840]

約数ペア:

[(1, 80683840), (2, 40341920), (4, 20170960), (5, 16136768), (8, 10085480), (10, 8068384), (16, 5042740), (20, 4034192), (32, 2521370), (40, 2017096), (64, 1260685), (80, 1008548), (89, 906560), (160, 504274), (178, 453280), (320, 252137), (356, 226640), (445, 181312), (712, 113320), (890, 90656), (1424, 56660), (1780, 45328), (2833, 28480), (2848, 28330), (3560, 22664), (5666, 14240), (5696, 14165), (7120, 11332)]