565594180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{8731}}^1$

素因数の和:8860

約数の個数: 48

約数和(自身を含む): 1232259840

約数和(自身を除く): 666665660

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 1580, 3239, 6478, 8731, 12956, 16195, 17462, 32390, 34924, 43655, 64780, 87310, 174620, 357971, 689749, 715942, 1379498, 1431884, 1789855, 2758996, 3448745, 3579710, 6897490, 7159420, 13794980, 28279709, 56559418, 113118836, 141398545, 282797090, 565594180]

約数ペア:

[(1, 565594180), (2, 282797090), (4, 141398545), (5, 113118836), (10, 56559418), (20, 28279709), (41, 13794980), (79, 7159420), (82, 6897490), (158, 3579710), (164, 3448745), (205, 2758996), (316, 1789855), (395, 1431884), (410, 1379498), (790, 715942), (820, 689749), (1580, 357971), (3239, 174620), (6478, 87310), (8731, 64780), (12956, 43655), (16195, 34924), (17462, 32390)]