25457075

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 39283200

約数和(自身を除く): 13826125

約数列:

[1, 5, 7, 17, 25, 35, 43, 85, 119, 175, 199, 215, 301, 425, 595, 731, 995, 1075, 1393, 1505, 2975, 3383, 3655, 4975, 5117, 6965, 7525, 8557, 16915, 18275, 23681, 25585, 34825, 42785, 59899, 84575, 118405, 127925, 145469, 213925, 299495, 592025, 727345, 1018283, 1497475, 3636725, 5091415, 25457075]

約数ペア:

[(1, 25457075), (5, 5091415), (7, 3636725), (17, 1497475), (25, 1018283), (35, 727345), (43, 592025), (85, 299495), (119, 213925), (175, 145469), (199, 127925), (215, 118405), (301, 84575), (425, 59899), (595, 42785), (731, 34825), (995, 25585), (1075, 23681), (1393, 18275), (1505, 16915), (2975, 8557), (3383, 7525), (3655, 6965), (4975, 5117)]