25019225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 39747456

約数和(自身を除く): 14728231

約数列:

[1, 5, 7, 11, 25, 35, 41, 55, 77, 175, 205, 275, 287, 317, 385, 451, 1025, 1435, 1585, 1925, 2219, 2255, 3157, 3487, 7175, 7925, 11095, 11275, 12997, 15785, 17435, 24409, 55475, 64985, 78925, 87175, 90979, 122045, 142967, 324925, 454895, 610225, 714835, 1000769, 2274475, 3574175, 5003845, 25019225]

約数ペア:

[(1, 25019225), (5, 5003845), (7, 3574175), (11, 2274475), (25, 1000769), (35, 714835), (41, 610225), (55, 454895), (77, 324925), (175, 142967), (205, 122045), (275, 90979), (287, 87175), (317, 78925), (385, 64985), (451, 55475), (1025, 24409), (1435, 17435), (1585, 15785), (1925, 12997), (2219, 11275), (2255, 11095), (3157, 7925), (3487, 7175)]