1020028075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{78919}}^1$

素因数の和:78987

約数の個数: 24

約数和(自身を含む): 1409195520

約数和(自身を除く): 389167445

約数列:

[1, 5, 11, 25, 47, 55, 235, 275, 517, 1175, 2585, 12925, 78919, 394595, 868109, 1972975, 3709193, 4340545, 18545965, 21702725, 40801123, 92729825, 204005615, 1020028075]

約数ペア:

[(1, 1020028075), (5, 204005615), (11, 92729825), (25, 40801123), (47, 21702725), (55, 18545965), (235, 4340545), (275, 3709193), (517, 1972975), (1175, 868109), (2585, 394595), (12925, 78919)]