25071220

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1291}}^1$

素因数の和:2271

約数の個数: 24

約数和(自身を含む): 52744608

約数和(自身を除く): 27673388

約数列:

[1, 2, 4, 5, 10, 20, 971, 1291, 1942, 2582, 3884, 4855, 5164, 6455, 9710, 12910, 19420, 25820, 1253561, 2507122, 5014244, 6267805, 12535610, 25071220]

約数ペア:

[(1, 25071220), (2, 12535610), (4, 6267805), (5, 5014244), (10, 2507122), (20, 1253561), (971, 25820), (1291, 19420), (1942, 12910), (2582, 9710), (3884, 6455), (4855, 5164)]