164021030

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{40903}}^1$

素因数の和:41311

約数の個数: 16

約数和(自身を含む): 295981344

約数和(自身を除く): 131960314

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 40903, 81806, 204515, 409030, 16402103, 32804206, 82010515, 164021030]

約数ペア:

[(1, 164021030), (2, 82010515), (5, 32804206), (10, 16402103), (401, 409030), (802, 204515), (2005, 81806), (4010, 40903)]