25109425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 37122624

約数和(自身を除く): 12013199

約数列:

[1, 5, 11, 17, 25, 41, 55, 85, 131, 187, 205, 275, 425, 451, 655, 697, 935, 1025, 1441, 2227, 2255, 3275, 3485, 4675, 5371, 7205, 7667, 11135, 11275, 17425, 24497, 26855, 36025, 38335, 55675, 59081, 91307, 122485, 134275, 191675, 295405, 456535, 612425, 1004377, 1477025, 2282675, 5021885, 25109425]

約数ペア:

[(1, 25109425), (5, 5021885), (11, 2282675), (17, 1477025), (25, 1004377), (41, 612425), (55, 456535), (85, 295405), (131, 191675), (187, 134275), (205, 122485), (275, 91307), (425, 59081), (451, 55675), (655, 38335), (697, 36025), (935, 26855), (1025, 24497), (1441, 17425), (2227, 11275), (2255, 11135), (3275, 7667), (3485, 7205), (4675, 5371)]