2000407580

素因数分解:

$2^2\times 5^1\times {\mathrm{100020379}}^1$

素因数の和:100020388

約数の個数: 12

約数和(自身を含む): 4200855960

約数和(自身を除く): 2200448380

約数列:

[1, 2, 4, 5, 10, 20, 100020379, 200040758, 400081516, 500101895, 1000203790, 2000407580]

約数ペア:

[(1, 2000407580), (2, 1000203790), (4, 500101895), (5, 400081516), (10, 200040758), (20, 100020379)]