201730420

素因数分解:

$2^2\times 5^1\times {\mathrm{2521}}^1\times {\mathrm{4001}}^1$

素因数の和:6531

約数の個数: 24

約数和(自身を含む): 423907848

約数和(自身を除く): 222177428

約数列:

[1, 2, 4, 5, 10, 20, 2521, 4001, 5042, 8002, 10084, 12605, 16004, 20005, 25210, 40010, 50420, 80020, 10086521, 20173042, 40346084, 50432605, 100865210, 201730420]

約数ペア:

[(1, 201730420), (2, 100865210), (4, 50432605), (5, 40346084), (10, 20173042), (20, 10086521), (2521, 80020), (4001, 50420), (5042, 40010), (8002, 25210), (10084, 20005), (12605, 16004)]