51009880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1327}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 118683360

約数和(自身を除く): 67673480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1327, 1922, 2654, 3844, 4805, 5308, 6635, 7688, 9610, 10616, 13270, 19220, 26540, 38440, 41137, 53080, 82274, 164548, 205685, 329096, 411370, 822740, 1275247, 1645480, 2550494, 5100988, 6376235, 10201976, 12752470, 25504940, 51009880]

約数ペア:

[(1, 51009880), (2, 25504940), (4, 12752470), (5, 10201976), (8, 6376235), (10, 5100988), (20, 2550494), (31, 1645480), (40, 1275247), (62, 822740), (124, 411370), (155, 329096), (248, 205685), (310, 164548), (620, 82274), (961, 53080), (1240, 41137), (1327, 38440), (1922, 26540), (2654, 19220), (3844, 13270), (4805, 10616), (5308, 9610), (6635, 7688)]