2143180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8243}}^1$

素因数の和:8265

約数の個数: 24

約数和(自身を含む): 4847472

約数和(自身を除く): 2704292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8243, 16486, 32972, 41215, 82430, 107159, 164860, 214318, 428636, 535795, 1071590, 2143180]

約数ペア:

[(1, 2143180), (2, 1071590), (4, 535795), (5, 428636), (10, 214318), (13, 164860), (20, 107159), (26, 82430), (52, 41215), (65, 32972), (130, 16486), (260, 8243)]