12820340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3793}}^1$

素因数の和:3828

約数の個数: 36

約数和(自身を含む): 29160684

約数和(自身を除く): 16340344

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 3793, 7586, 15172, 18965, 37930, 49309, 75860, 98618, 197236, 246545, 493090, 641017, 986180, 1282034, 2564068, 3205085, 6410170, 12820340]

約数ペア:

[(1, 12820340), (2, 6410170), (4, 3205085), (5, 2564068), (10, 1282034), (13, 986180), (20, 641017), (26, 493090), (52, 246545), (65, 197236), (130, 98618), (169, 75860), (260, 49309), (338, 37930), (676, 18965), (845, 15172), (1690, 7586), (3380, 3793)]