209968130

素因数分解:

$2^1\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{12953}}^1$

素因数の和:14581

約数の個数: 16

約数和(自身を含む): 378204984

約数和(自身を除く): 168236854

約数列:

[1, 2, 5, 10, 1621, 3242, 8105, 12953, 16210, 25906, 64765, 129530, 20996813, 41993626, 104984065, 209968130]

約数ペア:

[(1, 209968130), (2, 104984065), (5, 41993626), (10, 20996813), (1621, 129530), (3242, 64765), (8105, 25906), (12953, 16210)]