25945280

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{911}}^1$

素因数の和:1017

約数の個数: 56

約数和(自身を含む): 62544960

約数和(自身を除く): 36599680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 911, 1424, 1780, 1822, 2848, 3560, 3644, 4555, 5696, 7120, 7288, 9110, 14240, 14576, 18220, 28480, 29152, 36440, 58304, 72880, 81079, 145760, 162158, 291520, 324316, 405395, 648632, 810790, 1297264, 1621580, 2594528, 3243160, 5189056, 6486320, 12972640, 25945280]

約数ペア:

[(1, 25945280), (2, 12972640), (4, 6486320), (5, 5189056), (8, 3243160), (10, 2594528), (16, 1621580), (20, 1297264), (32, 810790), (40, 648632), (64, 405395), (80, 324316), (89, 291520), (160, 162158), (178, 145760), (320, 81079), (356, 72880), (445, 58304), (712, 36440), (890, 29152), (911, 28480), (1424, 18220), (1780, 14576), (1822, 14240), (2848, 9110), (3560, 7288), (3644, 7120), (4555, 5696)]