1520380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4001}}^1$

素因数の和:4029

約数の個数: 24

約数和(自身を含む): 3361680

約数和(自身を除く): 1841300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4001, 8002, 16004, 20005, 40010, 76019, 80020, 152038, 304076, 380095, 760190, 1520380]

約数ペア:

[(1, 1520380), (2, 760190), (4, 380095), (5, 304076), (10, 152038), (19, 80020), (20, 76019), (38, 40010), (76, 20005), (95, 16004), (190, 8002), (380, 4001)]