25664240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{6547}}^1$

素因数の和:6574

約数の個数: 60

約数和(自身を含む): 69421896

約数和(自身を除く): 43757656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 6547, 13094, 26188, 32735, 45829, 52376, 65470, 91658, 104752, 130940, 183316, 229145, 261880, 320803, 366632, 458290, 523760, 641606, 733264, 916580, 1283212, 1604015, 1833160, 2566424, 3208030, 3666320, 5132848, 6416060, 12832120, 25664240]

約数ペア:

[(1, 25664240), (2, 12832120), (4, 6416060), (5, 5132848), (7, 3666320), (8, 3208030), (10, 2566424), (14, 1833160), (16, 1604015), (20, 1283212), (28, 916580), (35, 733264), (40, 641606), (49, 523760), (56, 458290), (70, 366632), (80, 320803), (98, 261880), (112, 229145), (140, 183316), (196, 130940), (245, 104752), (280, 91658), (392, 65470), (490, 52376), (560, 45829), (784, 32735), (980, 26188), (1960, 13094), (3920, 6547)]