2112580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1993}}^1$

素因数の和:2055

約数の個数: 24

約数和(自身を含む): 4522392

約数和(自身を除く): 2409812

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1993, 3986, 7972, 9965, 19930, 39860, 105629, 211258, 422516, 528145, 1056290, 2112580]

約数ペア:

[(1, 2112580), (2, 1056290), (4, 528145), (5, 422516), (10, 211258), (20, 105629), (53, 39860), (106, 19930), (212, 9965), (265, 7972), (530, 3986), (1060, 1993)]