40017520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11633}}^1$

素因数の和:11689

約数の個数: 40

約数和(自身を含む): 95212656

約数和(自身を除く): 55195136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 11633, 23266, 46532, 58165, 93064, 116330, 186128, 232660, 465320, 500219, 930640, 1000438, 2000876, 2501095, 4001752, 5002190, 8003504, 10004380, 20008760, 40017520]

約数ペア:

[(1, 40017520), (2, 20008760), (4, 10004380), (5, 8003504), (8, 5002190), (10, 4001752), (16, 2501095), (20, 2000876), (40, 1000438), (43, 930640), (80, 500219), (86, 465320), (172, 232660), (215, 186128), (344, 116330), (430, 93064), (688, 58165), (860, 46532), (1720, 23266), (3440, 11633)]