331324520

素因数分解:

$2^3\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{3833}}^1$

素因数の和:6005

約数の個数: 32

約数和(自身を含む): 746019720

約数和(自身を除く): 414695200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2161, 3833, 4322, 7666, 8644, 10805, 15332, 17288, 19165, 21610, 30664, 38330, 43220, 76660, 86440, 153320, 8283113, 16566226, 33132452, 41415565, 66264904, 82831130, 165662260, 331324520]

約数ペア:

[(1, 331324520), (2, 165662260), (4, 82831130), (5, 66264904), (8, 41415565), (10, 33132452), (20, 16566226), (40, 8283113), (2161, 153320), (3833, 86440), (4322, 76660), (7666, 43220), (8644, 38330), (10805, 30664), (15332, 21610), (17288, 19165)]