25452070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:557

約数の個数: 48

約数和(自身を含む): 53844480

約数和(自身を除く): 28392410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 127, 245, 254, 409, 490, 635, 818, 889, 1270, 1778, 2045, 2863, 4090, 4445, 5726, 6223, 8890, 12446, 14315, 20041, 28630, 31115, 40082, 51943, 62230, 100205, 103886, 200410, 259715, 363601, 519430, 727202, 1818005, 2545207, 3636010, 5090414, 12726035, 25452070]

約数ペア:

[(1, 25452070), (2, 12726035), (5, 5090414), (7, 3636010), (10, 2545207), (14, 1818005), (35, 727202), (49, 519430), (70, 363601), (98, 259715), (127, 200410), (245, 103886), (254, 100205), (409, 62230), (490, 51943), (635, 40082), (818, 31115), (889, 28630), (1270, 20041), (1778, 14315), (2045, 12446), (2863, 8890), (4090, 6223), (4445, 5726)]