71219375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{6703}}^1$

素因数の和:6740

約数の個数: 20

約数和(自身を含む): 94244832

約数和(自身を除く): 23025457

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 6703, 10625, 33515, 113951, 167575, 569755, 837875, 2848775, 4189375, 14243875, 71219375]

約数ペア:

[(1, 71219375), (5, 14243875), (17, 4189375), (25, 2848775), (85, 837875), (125, 569755), (425, 167575), (625, 113951), (2125, 33515), (6703, 10625)]