25207040

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 61810560

約数和(自身を除く): 36603520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 419, 470, 640, 752, 838, 940, 1280, 1504, 1676, 1880, 2095, 3008, 3352, 3760, 4190, 6016, 6704, 7520, 8380, 12032, 13408, 15040, 16760, 19693, 26816, 30080, 33520, 39386, 53632, 60160, 67040, 78772, 98465, 107264, 134080, 157544, 196930, 268160, 315088, 393860, 536320, 630176, 787720, 1260352, 1575440, 2520704, 3150880, 5041408, 6301760, 12603520, 25207040]

約数ペア:

[(1, 25207040), (2, 12603520), (4, 6301760), (5, 5041408), (8, 3150880), (10, 2520704), (16, 1575440), (20, 1260352), (32, 787720), (40, 630176), (47, 536320), (64, 393860), (80, 315088), (94, 268160), (128, 196930), (160, 157544), (188, 134080), (235, 107264), (256, 98465), (320, 78772), (376, 67040), (419, 60160), (470, 53632), (640, 39386), (752, 33520), (838, 30080), (940, 26816), (1280, 19693), (1504, 16760), (1676, 15040), (1880, 13408), (2095, 12032), (3008, 8380), (3352, 7520), (3760, 6704), (4190, 6016)]