202389340

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{15787}}^1$

素因数の和:16437

約数の個数: 24

約数和(自身を含む): 425707632

約数和(自身を除く): 223318292

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 15787, 31574, 63148, 78935, 157870, 315740, 10119467, 20238934, 40477868, 50597335, 101194670, 202389340]

約数ペア:

[(1, 202389340), (2, 101194670), (4, 50597335), (5, 40477868), (10, 20238934), (20, 10119467), (641, 315740), (1282, 157870), (2564, 78935), (3205, 63148), (6410, 31574), (12820, 15787)]