8725880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{227}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 20376360

約数和(自身を除く): 11650480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 227, 248, 310, 454, 620, 908, 961, 1135, 1240, 1816, 1922, 2270, 3844, 4540, 4805, 7037, 7688, 9080, 9610, 14074, 19220, 28148, 35185, 38440, 56296, 70370, 140740, 218147, 281480, 436294, 872588, 1090735, 1745176, 2181470, 4362940, 8725880]

約数ペア:

[(1, 8725880), (2, 4362940), (4, 2181470), (5, 1745176), (8, 1090735), (10, 872588), (20, 436294), (31, 281480), (40, 218147), (62, 140740), (124, 70370), (155, 56296), (227, 38440), (248, 35185), (310, 28148), (454, 19220), (620, 14074), (908, 9610), (961, 9080), (1135, 7688), (1240, 7037), (1816, 4805), (1922, 4540), (2270, 3844)]