13456280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5021}}^1$

素因数の和:5099

約数の個数: 32

約数和(自身を含む): 30734640

約数和(自身を除く): 17278360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 5021, 10042, 20084, 25105, 40168, 50210, 100420, 200840, 336407, 672814, 1345628, 1682035, 2691256, 3364070, 6728140, 13456280]

約数ペア:

[(1, 13456280), (2, 6728140), (4, 3364070), (5, 2691256), (8, 1682035), (10, 1345628), (20, 672814), (40, 336407), (67, 200840), (134, 100420), (268, 50210), (335, 40168), (536, 25105), (670, 20084), (1340, 10042), (2680, 5021)]