40336520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2029}}^1$

素因数の和:2118

約数の個数: 64

約数和(自身を含む): 105235200

約数和(自身を除く): 64898680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2029, 2485, 2840, 3976, 4058, 4970, 8116, 9940, 10145, 14203, 16232, 19880, 20290, 28406, 40580, 56812, 71015, 81160, 113624, 142030, 144059, 284060, 288118, 568120, 576236, 720295, 1008413, 1152472, 1440590, 2016826, 2881180, 4033652, 5042065, 5762360, 8067304, 10084130, 20168260, 40336520]

約数ペア:

[(1, 40336520), (2, 20168260), (4, 10084130), (5, 8067304), (7, 5762360), (8, 5042065), (10, 4033652), (14, 2881180), (20, 2016826), (28, 1440590), (35, 1152472), (40, 1008413), (56, 720295), (70, 576236), (71, 568120), (140, 288118), (142, 284060), (280, 144059), (284, 142030), (355, 113624), (497, 81160), (568, 71015), (710, 56812), (994, 40580), (1420, 28406), (1988, 20290), (2029, 19880), (2485, 16232), (2840, 14203), (3976, 10145), (4058, 9940), (4970, 8116)]