27945880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{727}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 65061360

約数和(自身を除く): 37115480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 727, 961, 1240, 1454, 1922, 2908, 3635, 3844, 4805, 5816, 7270, 7688, 9610, 14540, 19220, 22537, 29080, 38440, 45074, 90148, 112685, 180296, 225370, 450740, 698647, 901480, 1397294, 2794588, 3493235, 5589176, 6986470, 13972940, 27945880]

約数ペア:

[(1, 27945880), (2, 13972940), (4, 6986470), (5, 5589176), (8, 3493235), (10, 2794588), (20, 1397294), (31, 901480), (40, 698647), (62, 450740), (124, 225370), (155, 180296), (248, 112685), (310, 90148), (620, 45074), (727, 38440), (961, 29080), (1240, 22537), (1454, 19220), (1922, 14540), (2908, 9610), (3635, 7688), (3844, 7270), (4805, 5816)]