25530175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 37711872

約数和(自身を除く): 12181697

約数列:

[1, 5, 11, 17, 25, 43, 55, 85, 127, 187, 215, 275, 425, 473, 635, 731, 935, 1075, 1397, 2159, 2365, 3175, 3655, 4675, 5461, 6985, 8041, 10795, 11825, 18275, 23749, 27305, 34925, 40205, 53975, 60071, 92837, 118745, 136525, 201025, 300355, 464185, 593725, 1021207, 1501775, 2320925, 5106035, 25530175]

約数ペア:

[(1, 25530175), (5, 5106035), (11, 2320925), (17, 1501775), (25, 1021207), (43, 593725), (55, 464185), (85, 300355), (127, 201025), (187, 136525), (215, 118745), (275, 92837), (425, 60071), (473, 53975), (635, 40205), (731, 34925), (935, 27305), (1075, 23749), (1397, 18275), (2159, 11825), (2365, 10795), (3175, 8041), (3655, 6985), (4675, 5461)]