1009448980

素因数分解:

$2^2\times 5^1\times {\mathrm{50472449}}^1$

素因数の和:50472458

約数の個数: 12

約数和(自身を含む): 2119842900

約数和(自身を除く): 1110393920

約数列:

[1, 2, 4, 5, 10, 20, 50472449, 100944898, 201889796, 252362245, 504724490, 1009448980]

約数ペア:

[(1, 1009448980), (2, 504724490), (4, 252362245), (5, 201889796), (10, 100944898), (20, 50472449)]