25653820

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1321}}^1$

素因数の和:2301

約数の個数: 24

約数和(自身を含む): 53969328

約数和(自身を除く): 28315508

約数列:

[1, 2, 4, 5, 10, 20, 971, 1321, 1942, 2642, 3884, 4855, 5284, 6605, 9710, 13210, 19420, 26420, 1282691, 2565382, 5130764, 6413455, 12826910, 25653820]

約数ペア:

[(1, 25653820), (2, 12826910), (4, 6413455), (5, 5130764), (10, 2565382), (20, 1282691), (971, 26420), (1321, 19420), (1942, 13210), (2642, 9710), (3884, 6605), (4855, 5284)]