25917904

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{39509}}^1$

素因数の和:39558

約数の個数: 20

約数和(自身を含む): 51442020

約数和(自身を除く): 25524116

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 39509, 79018, 158036, 316072, 632144, 1619869, 3239738, 6479476, 12958952, 25917904]

約数ペア:

[(1, 25917904), (2, 12958952), (4, 6479476), (8, 3239738), (16, 1619869), (41, 632144), (82, 316072), (164, 158036), (328, 79018), (656, 39509)]