12545225

素因数分解:

$5^2\times 7^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:68

約数の個数: 60

約数和(自身を含む): 20839440

約数和(自身を除く): 8294215

約数列:

[1, 5, 7, 11, 19, 25, 35, 49, 55, 77, 95, 133, 175, 209, 245, 275, 343, 385, 475, 539, 665, 931, 1045, 1225, 1463, 1715, 1925, 2401, 2695, 3325, 3773, 4655, 5225, 6517, 7315, 8575, 10241, 12005, 13475, 18865, 23275, 26411, 32585, 36575, 45619, 51205, 60025, 71687, 94325, 132055, 162925, 228095, 256025, 358435, 501809, 660275, 1140475, 1792175, 2509045, 12545225]

約数ペア:

[(1, 12545225), (5, 2509045), (7, 1792175), (11, 1140475), (19, 660275), (25, 501809), (35, 358435), (49, 256025), (55, 228095), (77, 162925), (95, 132055), (133, 94325), (175, 71687), (209, 60025), (245, 51205), (275, 45619), (343, 36575), (385, 32585), (475, 26411), (539, 23275), (665, 18865), (931, 13475), (1045, 12005), (1225, 10241), (1463, 8575), (1715, 7315), (1925, 6517), (2401, 5225), (2695, 4655), (3325, 3773)]