13259350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20399}}^1$

素因数の和:20424

約数の個数: 24

約数和(自身を含む): 26560800

約数和(自身を除く): 13301450

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 20399, 40798, 101995, 203990, 265187, 509975, 530374, 1019950, 1325935, 2651870, 6629675, 13259350]

約数ペア:

[(1, 13259350), (2, 6629675), (5, 2651870), (10, 1325935), (13, 1019950), (25, 530374), (26, 509975), (50, 265187), (65, 203990), (130, 101995), (325, 40798), (650, 20399)]