13386620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51487}}^1$

素因数の和:51509

約数の個数: 24

約数和(自身を含む): 30274944

約数和(自身を除く): 16888324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 51487, 102974, 205948, 257435, 514870, 669331, 1029740, 1338662, 2677324, 3346655, 6693310, 13386620]

約数ペア:

[(1, 13386620), (2, 6693310), (4, 3346655), (5, 2677324), (10, 1338662), (13, 1029740), (20, 669331), (26, 514870), (52, 257435), (65, 205948), (130, 102974), (260, 51487)]