25700428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{971}}^1$

素因数の和:1497

約数の個数: 24

約数和(自身を含む): 48580560

約数和(自身を除く): 22880132

約数列:

[1, 2, 4, 13, 26, 52, 509, 971, 1018, 1942, 2036, 3884, 6617, 12623, 13234, 25246, 26468, 50492, 494239, 988478, 1976956, 6425107, 12850214, 25700428]

約数ペア:

[(1, 25700428), (2, 12850214), (4, 6425107), (13, 1976956), (26, 988478), (52, 494239), (509, 50492), (971, 26468), (1018, 25246), (1942, 13234), (2036, 12623), (3884, 6617)]