25406224

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{38729}}^1$

素因数の和:38778

約数の個数: 20

約数和(自身を含む): 50426460

約数和(自身を除く): 25020236

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 38729, 77458, 154916, 309832, 619664, 1587889, 3175778, 6351556, 12703112, 25406224]

約数ペア:

[(1, 25406224), (2, 12703112), (4, 6351556), (8, 3175778), (16, 1587889), (41, 619664), (82, 309832), (164, 154916), (328, 77458), (656, 38729)]