66155240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1721}}^1$

素因数の和:1794

約数の個数: 48

約数和(自身を含む): 153895140

約数和(自身を除く): 87739900

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1721, 1922, 3442, 3844, 4805, 6884, 7688, 8605, 9610, 13768, 17210, 19220, 34420, 38440, 53351, 68840, 106702, 213404, 266755, 426808, 533510, 1067020, 1653881, 2134040, 3307762, 6615524, 8269405, 13231048, 16538810, 33077620, 66155240]

約数ペア:

[(1, 66155240), (2, 33077620), (4, 16538810), (5, 13231048), (8, 8269405), (10, 6615524), (20, 3307762), (31, 2134040), (40, 1653881), (62, 1067020), (124, 533510), (155, 426808), (248, 266755), (310, 213404), (620, 106702), (961, 68840), (1240, 53351), (1721, 38440), (1922, 34420), (3442, 19220), (3844, 17210), (4805, 13768), (6884, 9610), (7688, 8605)]