25776940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:959

約数の個数: 72

約数和(自身を含む): 65212560

約数和(自身を除く): 39435620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 907, 980, 1015, 1421, 1814, 2030, 2842, 3628, 4060, 4535, 5684, 6349, 7105, 9070, 12698, 14210, 18140, 25396, 26303, 28420, 31745, 44443, 52606, 63490, 88886, 105212, 126980, 131515, 177772, 184121, 222215, 263030, 368242, 444430, 526060, 736484, 888860, 920605, 1288847, 1841210, 2577694, 3682420, 5155388, 6444235, 12888470, 25776940]

約数ペア:

[(1, 25776940), (2, 12888470), (4, 6444235), (5, 5155388), (7, 3682420), (10, 2577694), (14, 1841210), (20, 1288847), (28, 920605), (29, 888860), (35, 736484), (49, 526060), (58, 444430), (70, 368242), (98, 263030), (116, 222215), (140, 184121), (145, 177772), (196, 131515), (203, 126980), (245, 105212), (290, 88886), (406, 63490), (490, 52606), (580, 44443), (812, 31745), (907, 28420), (980, 26303), (1015, 25396), (1421, 18140), (1814, 14210), (2030, 12698), (2842, 9070), (3628, 7105), (4060, 6349), (4535, 5684)]