25461440

素因数分解:

$2^6\times 5^1\times {\mathrm{251}}^1\times {\mathrm{317}}^1$

素因数の和:585

約数の個数: 56

約数和(自身を含む): 61063632

約数和(自身を除く): 35602192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 251, 317, 320, 502, 634, 1004, 1255, 1268, 1585, 2008, 2510, 2536, 3170, 4016, 5020, 5072, 6340, 8032, 10040, 10144, 12680, 16064, 20080, 20288, 25360, 40160, 50720, 79567, 80320, 101440, 159134, 318268, 397835, 636536, 795670, 1273072, 1591340, 2546144, 3182680, 5092288, 6365360, 12730720, 25461440]

約数ペア:

[(1, 25461440), (2, 12730720), (4, 6365360), (5, 5092288), (8, 3182680), (10, 2546144), (16, 1591340), (20, 1273072), (32, 795670), (40, 636536), (64, 397835), (80, 318268), (160, 159134), (251, 101440), (317, 80320), (320, 79567), (502, 50720), (634, 40160), (1004, 25360), (1255, 20288), (1268, 20080), (1585, 16064), (2008, 12680), (2510, 10144), (2536, 10040), (3170, 8032), (4016, 6340), (5020, 5072)]