20171644640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{165233}}^1$

素因数の和:165364

約数の個数: 96

約数和(自身を含む): 54963437760

約数和(自身を除く): 34791793120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 109, 112, 140, 160, 218, 224, 280, 436, 545, 560, 763, 872, 1090, 1120, 1526, 1744, 2180, 3052, 3488, 3815, 4360, 6104, 7630, 8720, 12208, 15260, 17440, 24416, 30520, 61040, 122080, 165233, 330466, 660932, 826165, 1156631, 1321864, 1652330, 2313262, 2643728, 3304660, 4626524, 5287456, 5783155, 6609320, 9253048, 11566310, 13218640, 18010397, 18506096, 23132620, 26437280, 36020794, 37012192, 46265240, 72041588, 90051985, 92530480, 126072779, 144083176, 180103970, 185060960, 252145558, 288166352, 360207940, 504291116, 576332704, 630363895, 720415880, 1008582232, 1260727790, 1440831760, 2017164464, 2521455580, 2881663520, 4034328928, 5042911160, 10085822320, 20171644640]

約数ペア:

[(1, 20171644640), (2, 10085822320), (4, 5042911160), (5, 4034328928), (7, 2881663520), (8, 2521455580), (10, 2017164464), (14, 1440831760), (16, 1260727790), (20, 1008582232), (28, 720415880), (32, 630363895), (35, 576332704), (40, 504291116), (56, 360207940), (70, 288166352), (80, 252145558), (109, 185060960), (112, 180103970), (140, 144083176), (160, 126072779), (218, 92530480), (224, 90051985), (280, 72041588), (436, 46265240), (545, 37012192), (560, 36020794), (763, 26437280), (872, 23132620), (1090, 18506096), (1120, 18010397), (1526, 13218640), (1744, 11566310), (2180, 9253048), (3052, 6609320), (3488, 5783155), (3815, 5287456), (4360, 4626524), (6104, 3304660), (7630, 2643728), (8720, 2313262), (12208, 1652330), (15260, 1321864), (17440, 1156631), (24416, 826165), (30520, 660932), (61040, 330466), (122080, 165233)]