172179220

素因数分解:

$2^2\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{4021}}^1$

素因数の和:6171

約数の個数: 24

約数和(自身を含む): 361835208

約数和(自身を除く): 189655988

約数列:

[1, 2, 4, 5, 10, 20, 2141, 4021, 4282, 8042, 8564, 10705, 16084, 20105, 21410, 40210, 42820, 80420, 8608961, 17217922, 34435844, 43044805, 86089610, 172179220]

約数ペア:

[(1, 172179220), (2, 86089610), (4, 43044805), (5, 34435844), (10, 17217922), (20, 8608961), (2141, 80420), (4021, 42820), (4282, 40210), (8042, 21410), (8564, 20105), (10705, 16084)]