2805813140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10791589}}^1$

素因数の和:10791611

約数の個数: 24

約数和(自身を含む): 6345454920

約数和(自身を除く): 3539641780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 10791589, 21583178, 43166356, 53957945, 107915890, 140290657, 215831780, 280581314, 561162628, 701453285, 1402906570, 2805813140]

約数ペア:

[(1, 2805813140), (2, 1402906570), (4, 701453285), (5, 561162628), (10, 280581314), (13, 215831780), (20, 140290657), (26, 107915890), (52, 53957945), (65, 43166356), (130, 21583178), (260, 10791589)]