12641825

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 19284480

約数和(自身を除く): 6642655

約数列:

[1, 5, 7, 25, 29, 35, 47, 53, 145, 175, 203, 235, 265, 329, 371, 725, 1015, 1175, 1325, 1363, 1537, 1645, 1855, 2491, 5075, 6815, 7685, 8225, 9275, 9541, 10759, 12455, 17437, 34075, 38425, 47705, 53795, 62275, 72239, 87185, 238525, 268975, 361195, 435925, 505673, 1805975, 2528365, 12641825]

約数ペア:

[(1, 12641825), (5, 2528365), (7, 1805975), (25, 505673), (29, 435925), (35, 361195), (47, 268975), (53, 238525), (145, 87185), (175, 72239), (203, 62275), (235, 53795), (265, 47705), (329, 38425), (371, 34075), (725, 17437), (1015, 12455), (1175, 10759), (1325, 9541), (1363, 9275), (1537, 8225), (1645, 7685), (1855, 6815), (2491, 5075)]