25754240

素因数分解:

$2^7\times 5^1\times {\mathrm{40241}}^1$

素因数の和:40260

約数の個数: 32

約数和(自身を含む): 61570260

約数和(自身を除く): 35816020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 40241, 80482, 160964, 201205, 321928, 402410, 643856, 804820, 1287712, 1609640, 2575424, 3219280, 5150848, 6438560, 12877120, 25754240]

約数ペア:

[(1, 25754240), (2, 12877120), (4, 6438560), (5, 5150848), (8, 3219280), (10, 2575424), (16, 1609640), (20, 1287712), (32, 804820), (40, 643856), (64, 402410), (80, 321928), (128, 201205), (160, 160964), (320, 80482), (640, 40241)]