25141025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 39414144

約数和(自身を除く): 14273119

約数列:

[1, 5, 7, 13, 25, 35, 43, 65, 91, 175, 215, 257, 301, 325, 455, 559, 1075, 1285, 1505, 1799, 2275, 2795, 3341, 3913, 6425, 7525, 8995, 11051, 13975, 16705, 19565, 23387, 44975, 55255, 77357, 83525, 97825, 116935, 143663, 276275, 386785, 584675, 718315, 1005641, 1933925, 3591575, 5028205, 25141025]

約数ペア:

[(1, 25141025), (5, 5028205), (7, 3591575), (13, 1933925), (25, 1005641), (35, 718315), (43, 584675), (65, 386785), (91, 276275), (175, 143663), (215, 116935), (257, 97825), (301, 83525), (325, 77357), (455, 55255), (559, 44975), (1075, 23387), (1285, 19565), (1505, 16705), (1799, 13975), (2275, 11051), (2795, 8995), (3341, 7525), (3913, 6425)]