10403990

素因数分解:

$2^1\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1021}}^1$

素因数の和:2047

約数の個数: 16

約数和(自身を含む): 18763920

約数和(自身を除く): 8359930

約数列:

[1, 2, 5, 10, 1019, 1021, 2038, 2042, 5095, 5105, 10190, 10210, 1040399, 2080798, 5201995, 10403990]

約数ペア:

[(1, 10403990), (2, 5201995), (5, 2080798), (10, 1040399), (1019, 10210), (1021, 10190), (2038, 5105), (2042, 5095)]