26421460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7817}}^1$

素因数の和:7852

約数の個数: 36

約数和(自身を含む): 60089148

約数和(自身を除く): 33667688

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 7817, 15634, 31268, 39085, 78170, 101621, 156340, 203242, 406484, 508105, 1016210, 1321073, 2032420, 2642146, 5284292, 6605365, 13210730, 26421460]

約数ペア:

[(1, 26421460), (2, 13210730), (4, 6605365), (5, 5284292), (10, 2642146), (13, 2032420), (20, 1321073), (26, 1016210), (52, 508105), (65, 406484), (130, 203242), (169, 156340), (260, 101621), (338, 78170), (676, 39085), (845, 31268), (1690, 15634), (3380, 7817)]