25824640

素因数分解:

$2^7\times 5^1\times {\mathrm{40351}}^1$

素因数の和:40370

約数の個数: 32

約数和(自身を含む): 61738560

約数和(自身を除く): 35913920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 40351, 80702, 161404, 201755, 322808, 403510, 645616, 807020, 1291232, 1614040, 2582464, 3228080, 5164928, 6456160, 12912320, 25824640]

約数ペア:

[(1, 25824640), (2, 12912320), (4, 6456160), (5, 5164928), (8, 3228080), (10, 2582464), (16, 1614040), (20, 1291232), (32, 807020), (40, 645616), (64, 403510), (80, 322808), (128, 201755), (160, 161404), (320, 80702), (640, 40351)]