27861340

素因数分解:

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

素因数の和:8278

約数の個数: 36

約数和(自身を含む): 63363384

約数和(自身を除く): 35502044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 8243, 16486, 32972, 41215, 82430, 107159, 164860, 214318, 428636, 535795, 1071590, 1393067, 2143180, 2786134, 5572268, 6965335, 13930670, 27861340]

約数ペア:

[(1, 27861340), (2, 13930670), (4, 6965335), (5, 5572268), (10, 2786134), (13, 2143180), (20, 1393067), (26, 1071590), (52, 535795), (65, 428636), (130, 214318), (169, 164860), (260, 107159), (338, 82430), (676, 41215), (845, 32972), (1690, 16486), (3380, 8243)]