13400140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51539}}^1$

素因数の和:51561

約数の個数: 24

約数和(自身を含む): 30305520

約数和(自身を除く): 16905380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 51539, 103078, 206156, 257695, 515390, 670007, 1030780, 1340014, 2680028, 3350035, 6700070, 13400140]

約数ペア:

[(1, 13400140), (2, 6700070), (4, 3350035), (5, 2680028), (10, 1340014), (13, 1030780), (20, 670007), (26, 515390), (52, 257695), (65, 206156), (130, 103078), (260, 51539)]