2077889890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1906321}}^1$

素因数の和:1906437

約数の個数: 16

約数和(自身を含む): 3774517560

約数和(自身を除く): 1696627670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 1906321, 3812642, 9531605, 19063210, 207788989, 415577978, 1038944945, 2077889890]

約数ペア:

[(1, 2077889890), (2, 1038944945), (5, 415577978), (10, 207788989), (109, 19063210), (218, 9531605), (545, 3812642), (1090, 1906321)]