25853540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16363}}^1$

素因数の和:16451

約数の個数: 24

約数和(自身を含む): 54983040

約数和(自身を除く): 29129500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 16363, 32726, 65452, 81815, 163630, 327260, 1292677, 2585354, 5170708, 6463385, 12926770, 25853540]

約数ペア:

[(1, 25853540), (2, 12926770), (4, 6463385), (5, 5170708), (10, 2585354), (20, 1292677), (79, 327260), (158, 163630), (316, 81815), (395, 65452), (790, 32726), (1580, 16363)]