39989125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 55111680

約数和(自身を除く): 15122555

約数列:

[1, 5, 11, 25, 55, 125, 127, 229, 275, 635, 1145, 1375, 1397, 2519, 3175, 5725, 6985, 12595, 15875, 28625, 29083, 34925, 62975, 145415, 174625, 314875, 319913, 727075, 1599565, 3635375, 7997825, 39989125]

約数ペア:

[(1, 39989125), (5, 7997825), (11, 3635375), (25, 1599565), (55, 727075), (125, 319913), (127, 314875), (229, 174625), (275, 145415), (635, 62975), (1145, 34925), (1375, 29083), (1397, 28625), (2519, 15875), (3175, 12595), (5725, 6985)]