16806280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6271}}^1$

素因数の和:6349

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 21578360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 6271, 12542, 25084, 31355, 50168, 62710, 125420, 250840, 420157, 840314, 1680628, 2100785, 3361256, 4201570, 8403140, 16806280]

約数ペア:

[(1, 16806280), (2, 8403140), (4, 4201570), (5, 3361256), (8, 2100785), (10, 1680628), (20, 840314), (40, 420157), (67, 250840), (134, 125420), (268, 62710), (335, 50168), (536, 31355), (670, 25084), (1340, 12542), (2680, 6271)]