25217150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 54178080

約数和(自身を除く): 28960930

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 109, 175, 218, 350, 545, 661, 763, 1090, 1322, 1526, 2725, 3305, 3815, 4627, 5450, 6610, 7630, 9254, 16525, 19075, 23135, 33050, 38150, 46270, 72049, 115675, 144098, 231350, 360245, 504343, 720490, 1008686, 1801225, 2521715, 3602450, 5043430, 12608575, 25217150]

約数ペア:

[(1, 25217150), (2, 12608575), (5, 5043430), (7, 3602450), (10, 2521715), (14, 1801225), (25, 1008686), (35, 720490), (50, 504343), (70, 360245), (109, 231350), (175, 144098), (218, 115675), (350, 72049), (545, 46270), (661, 38150), (763, 33050), (1090, 23135), (1322, 19075), (1526, 16525), (2725, 9254), (3305, 7630), (3815, 6610), (4627, 5450)]