25091480

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2017}}^1$

素因数の和:2339

約数の個数: 32

約数和(自身を含む): 56665440

約数和(自身を除く): 31573960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2017, 2488, 3110, 4034, 6220, 8068, 10085, 12440, 16136, 20170, 40340, 80680, 627287, 1254574, 2509148, 3136435, 5018296, 6272870, 12545740, 25091480]

約数ペア:

[(1, 25091480), (2, 12545740), (4, 6272870), (5, 5018296), (8, 3136435), (10, 2509148), (20, 1254574), (40, 627287), (311, 80680), (622, 40340), (1244, 20170), (1555, 16136), (2017, 12440), (2488, 10085), (3110, 8068), (4034, 6220)]