127282280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{102647}}^1$

素因数の和:102689

約数の個数: 32

約数和(自身を含む): 295626240

約数和(自身を除く): 168343960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 102647, 205294, 410588, 513235, 821176, 1026470, 2052940, 3182057, 4105880, 6364114, 12728228, 15910285, 25456456, 31820570, 63641140, 127282280]

約数ペア:

[(1, 127282280), (2, 63641140), (4, 31820570), (5, 25456456), (8, 15910285), (10, 12728228), (20, 6364114), (31, 4105880), (40, 3182057), (62, 2052940), (124, 1026470), (155, 821176), (248, 513235), (310, 410588), (620, 205294), (1240, 102647)]