5001250

素因数分解:

$2^1\times 5^4\times {\mathrm{4001}}^1$

素因数の和:4023

約数の個数: 20

約数和(自身を含む): 9376686

約数和(自身を除く): 4375436

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 4001, 8002, 20005, 40010, 100025, 200050, 500125, 1000250, 2500625, 5001250]

約数ペア:

[(1, 5001250), (2, 2500625), (5, 1000250), (10, 500125), (25, 200050), (50, 100025), (125, 40010), (250, 20005), (625, 8002), (1250, 4001)]