63800420

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{16193}}^1$

素因数の和:16399

約数の個数: 24

約数和(自身を含む): 134669304

約数和(自身を除く): 70868884

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 16193, 32386, 64772, 80965, 161930, 323860, 3190021, 6380042, 12760084, 15950105, 31900210, 63800420]

約数ペア:

[(1, 63800420), (2, 31900210), (4, 15950105), (5, 12760084), (10, 6380042), (20, 3190021), (197, 323860), (394, 161930), (788, 80965), (985, 64772), (1970, 32386), (3940, 16193)]