80070520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2083}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 186247080

約数和(自身を除く): 106176560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 2083, 3844, 4166, 4805, 7688, 8332, 9610, 10415, 16664, 19220, 20830, 38440, 41660, 64573, 83320, 129146, 258292, 322865, 516584, 645730, 1291460, 2001763, 2582920, 4003526, 8007052, 10008815, 16014104, 20017630, 40035260, 80070520]

約数ペア:

[(1, 80070520), (2, 40035260), (4, 20017630), (5, 16014104), (8, 10008815), (10, 8007052), (20, 4003526), (31, 2582920), (40, 2001763), (62, 1291460), (124, 645730), (155, 516584), (248, 322865), (310, 258292), (620, 129146), (961, 83320), (1240, 64573), (1922, 41660), (2083, 38440), (3844, 20830), (4166, 19220), (4805, 16664), (7688, 10415), (8332, 9610)]