22175960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12893}}^1$

素因数の和:12947

約数の個数: 32

約数和(自身を含む): 51060240

約数和(自身を除く): 28884280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 12893, 25786, 51572, 64465, 103144, 128930, 257860, 515720, 554399, 1108798, 2217596, 2771995, 4435192, 5543990, 11087980, 22175960]

約数ペア:

[(1, 22175960), (2, 11087980), (4, 5543990), (5, 4435192), (8, 2771995), (10, 2217596), (20, 1108798), (40, 554399), (43, 515720), (86, 257860), (172, 128930), (215, 103144), (344, 64465), (430, 51572), (860, 25786), (1720, 12893)]