200680450

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{10009}}^1$

素因数の和:10422

約数の個数: 24

約数和(自身を含む): 374233860

約数和(自身を除く): 173553410

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 2005, 4010, 10009, 10025, 20018, 20050, 50045, 100090, 250225, 500450, 4013609, 8027218, 20068045, 40136090, 100340225, 200680450]

約数ペア:

[(1, 200680450), (2, 100340225), (5, 40136090), (10, 20068045), (25, 8027218), (50, 4013609), (401, 500450), (802, 250225), (2005, 100090), (4010, 50045), (10009, 20050), (10025, 20018)]