26813540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7933}}^1$

素因数の和:7968

約数の個数: 36

約数和(自身を含む): 60980724

約数和(自身を除く): 34167184

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 7933, 15866, 31732, 39665, 79330, 103129, 158660, 206258, 412516, 515645, 1031290, 1340677, 2062580, 2681354, 5362708, 6703385, 13406770, 26813540]

約数ペア:

[(1, 26813540), (2, 13406770), (4, 6703385), (5, 5362708), (10, 2681354), (13, 2062580), (20, 1340677), (26, 1031290), (52, 515645), (65, 412516), (130, 206258), (169, 158660), (260, 103129), (338, 79330), (676, 39665), (845, 31732), (1690, 15866), (3380, 7933)]